Home / 15,385,216.80-23,046,332.40-7,816,447.20

Finding the Fourth Proportional to 15,385,216.80, 23,046,332.40 and 7,816,447.20

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Solution

The fourth proportional to 15,385,216.80, 23,046,332.40 and 7,816,447.20 is: 11,708,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385,216.80 : 23,046,332.40 = 7,816,447.20 : x
  2. Step 2: Convert to fraction form
    15,385,216.80/23,046,332.40 = 7,816,447.20/x
  3. Step 3: Cross multiply
    15,385,216.80x = 23,046,332.40 × 7,816,447.20
  4. Step 4: Simplify right side
    15,385,216.80x = 180,140,440,358,249.28
  5. Step 5: Solve for x
    x = 180,140,440,358,249.28/15,385,216.80
  6. Step 6: Final answer
    x = 11,708,670.91

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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.