Home / 13,653,768.60-20,472,779.70-5,134,966.20

Finding the Fourth Proportional to 13,653,768.60, 20,472,779.70 and 5,134,966.20

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Solution

The fourth proportional to 13,653,768.60, 20,472,779.70 and 5,134,966.20 is: 7,699,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,768.60 : 20,472,779.70 = 5,134,966.20 : x
  2. Step 2: Convert to fraction form
    13,653,768.60/20,472,779.70 = 5,134,966.20/x
  3. Step 3: Cross multiply
    13,653,768.60x = 20,472,779.70 × 5,134,966.20
  4. Step 4: Simplify right side
    13,653,768.60x = 105,127,031,779,546.14
  5. Step 5: Solve for x
    x = 105,127,031,779,546.14/13,653,768.60
  6. Step 6: Final answer
    x = 7,699,488.31

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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.