Home / 27,218,643.60-40,827,965.40-12,072,575.10

Finding the Fourth Proportional to 27,218,643.60, 40,827,965.40 and 12,072,575.10

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Solution

The fourth proportional to 27,218,643.60, 40,827,965.40 and 12,072,575.10 is: 18,108,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,643.60 : 40,827,965.40 = 12,072,575.10 : x
  2. Step 2: Convert to fraction form
    27,218,643.60/40,827,965.40 = 12,072,575.10/x
  3. Step 3: Cross multiply
    27,218,643.60x = 40,827,965.40 × 12,072,575.10
  4. Step 4: Simplify right side
    27,218,643.60x = 492,898,678,471,701.50
  5. Step 5: Solve for x
    x = 492,898,678,471,701.50/27,218,643.60
  6. Step 6: Final answer
    x = 18,108,862.65

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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.