Home / 9,342,324.80-14,013,487.20-7,830,670.40

Finding the Fourth Proportional to 9,342,324.80, 14,013,487.20 and 7,830,670.40

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Solution

The fourth proportional to 9,342,324.80, 14,013,487.20 and 7,830,670.40 is: 11,746,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342,324.80 : 14,013,487.20 = 7,830,670.40 : x
  2. Step 2: Convert to fraction form
    9,342,324.80/14,013,487.20 = 7,830,670.40/x
  3. Step 3: Cross multiply
    9,342,324.80x = 14,013,487.20 × 7,830,670.40
  4. Step 4: Simplify right side
    9,342,324.80x = 109,734,999,417,818.88
  5. Step 5: Solve for x
    x = 109,734,999,417,818.88/9,342,324.80
  6. Step 6: Final answer
    x = 11,746,005.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.