Home / 10,976,428.90-16,464,643.35-7,393,248.10

Finding the Fourth Proportional to 10,976,428.90, 16,464,643.35 and 7,393,248.10

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Solution

The fourth proportional to 10,976,428.90, 16,464,643.35 and 7,393,248.10 is: 11,089,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,428.90 : 16,464,643.35 = 7,393,248.10 : x
  2. Step 2: Convert to fraction form
    10,976,428.90/16,464,643.35 = 7,393,248.10/x
  3. Step 3: Cross multiply
    10,976,428.90x = 16,464,643.35 × 7,393,248.10
  4. Step 4: Simplify right side
    10,976,428.90x = 121,727,193,164,565.12
  5. Step 5: Solve for x
    x = 121,727,193,164,565.12/10,976,428.90
  6. Step 6: Final answer
    x = 11,089,872.15

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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.