Home / 47,990,538.30-71,985,807.45-12,088,746.30

Finding the Fourth Proportional to 47,990,538.30, 71,985,807.45 and 12,088,746.30

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Solution

The fourth proportional to 47,990,538.30, 71,985,807.45 and 12,088,746.30 is: 18,133,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,538.30 : 71,985,807.45 = 12,088,746.30 : x
  2. Step 2: Convert to fraction form
    47,990,538.30/71,985,807.45 = 12,088,746.30/x
  3. Step 3: Cross multiply
    47,990,538.30x = 71,985,807.45 × 12,088,746.30
  4. Step 4: Simplify right side
    47,990,538.30x = 870,218,163,463,700
  5. Step 5: Solve for x
    x = 870,218,163,463,700/47,990,538.30
  6. Step 6: Final answer
    x = 18,133,119.45

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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.