Home / 15,431,011.60-23,147,779.56-7,750,707.28

Finding the Fourth Proportional to 15,431,011.60, 23,147,779.56 and 7,750,707.28

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Solution

The fourth proportional to 15,431,011.60, 23,147,779.56 and 7,750,707.28 is: 11,626,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,011.60 : 23,147,779.56 = 7,750,707.28 : x
  2. Step 2: Convert to fraction form
    15,431,011.60/23,147,779.56 = 7,750,707.28/x
  3. Step 3: Cross multiply
    15,431,011.60x = 23,147,779.56 × 7,750,707.28
  4. Step 4: Simplify right side
    15,431,011.60x = 179,411,663,551,527.19
  5. Step 5: Solve for x
    x = 179,411,663,551,527.19/15,431,011.60
  6. Step 6: Final answer
    x = 11,626,694.88

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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.