Home / 48,291,871.80-72,437,807.70-12,390,079.80

Finding the Fourth Proportional to 48,291,871.80, 72,437,807.70 and 12,390,079.80

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Solution

The fourth proportional to 48,291,871.80, 72,437,807.70 and 12,390,079.80 is: 18,585,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291,871.80 : 72,437,807.70 = 12,390,079.80 : x
  2. Step 2: Convert to fraction form
    48,291,871.80/72,437,807.70 = 12,390,079.80/x
  3. Step 3: Cross multiply
    48,291,871.80x = 72,437,807.70 × 12,390,079.80
  4. Step 4: Simplify right side
    48,291,871.80x = 897,510,217,940,054.50
  5. Step 5: Solve for x
    x = 897,510,217,940,054.50/48,291,871.80
  6. Step 6: Final answer
    x = 18,585,119.70

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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.