Home / 9,178,853.90-13,778,887.80-4,927,325.90

Finding the Fourth Proportional to 9,178,853.90, 13,778,887.80 and 4,927,325.90

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Solution

The fourth proportional to 9,178,853.90, 13,778,887.80 and 4,927,325.90 is: 7,396,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,853.90 : 13,778,887.80 = 4,927,325.90 : x
  2. Step 2: Convert to fraction form
    9,178,853.90/13,778,887.80 = 4,927,325.90/x
  3. Step 3: Cross multiply
    9,178,853.90x = 13,778,887.80 × 4,927,325.90
  4. Step 4: Simplify right side
    9,178,853.90x = 67,893,070,730,134.03
  5. Step 5: Solve for x
    x = 67,893,070,730,134.03/9,178,853.90
  6. Step 6: Final answer
    x = 7,396,682.80

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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.