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Finding the Fourth Proportional to 10,862,110.80, 15,249,470.40 and 10,862,110.80

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Solution

The fourth proportional to 10,862,110.80, 15,249,470.40 and 10,862,110.80 is: 15,249,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,110.80 : 15,249,470.40 = 10,862,110.80 : x
  2. Step 2: Convert to fraction form
    10,862,110.80/15,249,470.40 = 10,862,110.80/x
  3. Step 3: Cross multiply
    10,862,110.80x = 15,249,470.40 × 10,862,110.80
  4. Step 4: Simplify right side
    10,862,110.80x = 165,641,437,126,120.34
  5. Step 5: Solve for x
    x = 165,641,437,126,120.34/10,862,110.80
  6. Step 6: Final answer
    x = 15,249,470.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.