Home / 10,372,210.30-15,558,315.45-4,387,800.70

Finding the Fourth Proportional to 10,372,210.30, 15,558,315.45 and 4,387,800.70

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Solution

The fourth proportional to 10,372,210.30, 15,558,315.45 and 4,387,800.70 is: 6,581,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,210.30 : 15,558,315.45 = 4,387,800.70 : x
  2. Step 2: Convert to fraction form
    10,372,210.30/15,558,315.45 = 4,387,800.70/x
  3. Step 3: Cross multiply
    10,372,210.30x = 15,558,315.45 × 4,387,800.70
  4. Step 4: Simplify right side
    10,372,210.30x = 68,266,787,422,330.81
  5. Step 5: Solve for x
    x = 68,266,787,422,330.81/10,372,210.30
  6. Step 6: Final answer
    x = 6,581,701.05

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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.