Home / 17,891,158.40-26,815,742.40-7,655,998.40

Finding the Fourth Proportional to 17,891,158.40, 26,815,742.40 and 7,655,998.40

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Solution

The fourth proportional to 17,891,158.40, 26,815,742.40 and 7,655,998.40 is: 11,475,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891,158.40 : 26,815,742.40 = 7,655,998.40 : x
  2. Step 2: Convert to fraction form
    17,891,158.40/26,815,742.40 = 7,655,998.40/x
  3. Step 3: Cross multiply
    17,891,158.40x = 26,815,742.40 × 7,655,998.40
  4. Step 4: Simplify right side
    17,891,158.40x = 205,301,280,909,212.16
  5. Step 5: Solve for x
    x = 205,301,280,909,212.16/17,891,158.40
  6. Step 6: Final answer
    x = 11,475,013.32

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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.