Home / 7,398,423.40-11,097,635.10-5,718,807.40

Finding the Fourth Proportional to 7,398,423.40, 11,097,635.10 and 5,718,807.40

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Solution

The fourth proportional to 7,398,423.40, 11,097,635.10 and 5,718,807.40 is: 8,578,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,423.40 : 11,097,635.10 = 5,718,807.40 : x
  2. Step 2: Convert to fraction form
    7,398,423.40/11,097,635.10 = 5,718,807.40/x
  3. Step 3: Cross multiply
    7,398,423.40x = 11,097,635.10 × 5,718,807.40
  4. Step 4: Simplify right side
    7,398,423.40x = 63,465,237,732,379.74
  5. Step 5: Solve for x
    x = 63,465,237,732,379.74/7,398,423.40
  6. Step 6: Final answer
    x = 8,578,211.10

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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.