Home / 12,856,547.57-17,742,251.21-7,055,869.05

Finding the Fourth Proportional to 12,856,547.57, 17,742,251.21 and 7,055,869.05

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Solution

The fourth proportional to 12,856,547.57, 17,742,251.21 and 7,055,869.05 is: 9,737,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,547.57 : 17,742,251.21 = 7,055,869.05 : x
  2. Step 2: Convert to fraction form
    12,856,547.57/17,742,251.21 = 7,055,869.05/x
  3. Step 3: Cross multiply
    12,856,547.57x = 17,742,251.21 × 7,055,869.05
  4. Step 4: Simplify right side
    12,856,547.57x = 125,187,001,154,684.69
  5. Step 5: Solve for x
    x = 125,187,001,154,684.69/12,856,547.57
  6. Step 6: Final answer
    x = 9,737,217.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.