Home / 10,502,026.80-15,721,547.40-6,240,001.20

Finding the Fourth Proportional to 10,502,026.80, 15,721,547.40 and 6,240,001.20

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Solution

The fourth proportional to 10,502,026.80, 15,721,547.40 and 6,240,001.20 is: 9,341,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,026.80 : 15,721,547.40 = 6,240,001.20 : x
  2. Step 2: Convert to fraction form
    10,502,026.80/15,721,547.40 = 6,240,001.20/x
  3. Step 3: Cross multiply
    10,502,026.80x = 15,721,547.40 × 6,240,001.20
  4. Step 4: Simplify right side
    10,502,026.80x = 98,102,474,641,856.89
  5. Step 5: Solve for x
    x = 98,102,474,641,856.89/10,502,026.80
  6. Step 6: Final answer
    x = 9,341,289.69

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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.