Home / 10,651,121.10-15,976,681.65-7,249,898.70

Finding the Fourth Proportional to 10,651,121.10, 15,976,681.65 and 7,249,898.70

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Solution

The fourth proportional to 10,651,121.10, 15,976,681.65 and 7,249,898.70 is: 10,874,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,121.10 : 15,976,681.65 = 7,249,898.70 : x
  2. Step 2: Convert to fraction form
    10,651,121.10/15,976,681.65 = 7,249,898.70/x
  3. Step 3: Cross multiply
    10,651,121.10x = 15,976,681.65 × 7,249,898.70
  4. Step 4: Simplify right side
    10,651,121.10x = 115,829,323,524,648.86
  5. Step 5: Solve for x
    x = 115,829,323,524,648.86/10,651,121.10
  6. Step 6: Final answer
    x = 10,874,848.05

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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.