Home / 10,377,215.40-15,523,832.70-9,117,503.40

Finding the Fourth Proportional to 10,377,215.40, 15,523,832.70 and 9,117,503.40

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Solution

The fourth proportional to 10,377,215.40, 15,523,832.70 and 9,117,503.40 is: 13,639,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,215.40 : 15,523,832.70 = 9,117,503.40 : x
  2. Step 2: Convert to fraction form
    10,377,215.40/15,523,832.70 = 9,117,503.40/x
  3. Step 3: Cross multiply
    10,377,215.40x = 15,523,832.70 × 9,117,503.40
  4. Step 4: Simplify right side
    10,377,215.40x = 141,538,597,423,281.19
  5. Step 5: Solve for x
    x = 141,538,597,423,281.19/10,377,215.40
  6. Step 6: Final answer
    x = 13,639,362.00

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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.