Home / 7,913,711.80-11,870,567.70-7,866,472.60

Finding the Fourth Proportional to 7,913,711.80, 11,870,567.70 and 7,866,472.60

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Solution

The fourth proportional to 7,913,711.80, 11,870,567.70 and 7,866,472.60 is: 11,799,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,711.80 : 11,870,567.70 = 7,866,472.60 : x
  2. Step 2: Convert to fraction form
    7,913,711.80/11,870,567.70 = 7,866,472.60/x
  3. Step 3: Cross multiply
    7,913,711.80x = 11,870,567.70 × 7,866,472.60
  4. Step 4: Simplify right side
    7,913,711.80x = 93,379,495,558,495.02
  5. Step 5: Solve for x
    x = 93,379,495,558,495.02/7,913,711.80
  6. Step 6: Final answer
    x = 11,799,708.90

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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.