Home / 31,699,966.09-47,516,765.16-13,266,473.10

Finding the Fourth Proportional to 31,699,966.09, 47,516,765.16 and 13,266,473.10

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Solution

The fourth proportional to 31,699,966.09, 47,516,765.16 and 13,266,473.10 is: 19,885,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,966.09 : 47,516,765.16 = 13,266,473.10 : x
  2. Step 2: Convert to fraction form
    31,699,966.09/47,516,765.16 = 13,266,473.10/x
  3. Step 3: Cross multiply
    31,699,966.09x = 47,516,765.16 × 13,266,473.10
  4. Step 4: Simplify right side
    31,699,966.09x = 630,379,886,490,241
  5. Step 5: Solve for x
    x = 630,379,886,490,241/31,699,966.09
  6. Step 6: Final answer
    x = 19,885,822.11

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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.