Home / 48,359,320.80-72,538,981.20-12,457,528.80

Finding the Fourth Proportional to 48,359,320.80, 72,538,981.20 and 12,457,528.80

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Solution

The fourth proportional to 48,359,320.80, 72,538,981.20 and 12,457,528.80 is: 18,686,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359,320.80 : 72,538,981.20 = 12,457,528.80 : x
  2. Step 2: Convert to fraction form
    48,359,320.80/72,538,981.20 = 12,457,528.80/x
  3. Step 3: Cross multiply
    48,359,320.80x = 72,538,981.20 × 12,457,528.80
  4. Step 4: Simplify right side
    48,359,320.80x = 903,656,447,421,658.62
  5. Step 5: Solve for x
    x = 903,656,447,421,658.62/48,359,320.80
  6. Step 6: Final answer
    x = 18,686,293.20

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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.