Home / 10,365,507.26-15,551,248.98-3,178,101.86

Finding the Fourth Proportional to 10,365,507.26, 15,551,248.98 and 3,178,101.86

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Solution

The fourth proportional to 10,365,507.26, 15,551,248.98 and 3,178,101.86 is: 4,768,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,507.26 : 15,551,248.98 = 3,178,101.86 : x
  2. Step 2: Convert to fraction form
    10,365,507.26/15,551,248.98 = 3,178,101.86/x
  3. Step 3: Cross multiply
    10,365,507.26x = 15,551,248.98 × 3,178,101.86
  4. Step 4: Simplify right side
    10,365,507.26x = 49,423,453,308,661.10
  5. Step 5: Solve for x
    x = 49,423,453,308,661.10/10,365,507.26
  6. Step 6: Final answer
    x = 4,768,068.95

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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.