Home / 14,038,331.70-21,057,497.55-9,928,521.30

Finding the Fourth Proportional to 14,038,331.70, 21,057,497.55 and 9,928,521.30

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Solution

The fourth proportional to 14,038,331.70, 21,057,497.55 and 9,928,521.30 is: 14,892,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038,331.70 : 21,057,497.55 = 9,928,521.30 : x
  2. Step 2: Convert to fraction form
    14,038,331.70/21,057,497.55 = 9,928,521.30/x
  3. Step 3: Cross multiply
    14,038,331.70x = 21,057,497.55 × 9,928,521.30
  4. Step 4: Simplify right side
    14,038,331.70x = 209,069,812,949,872.84
  5. Step 5: Solve for x
    x = 209,069,812,949,872.84/14,038,331.70
  6. Step 6: Final answer
    x = 14,892,781.95

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Double scale
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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.