Home / 18,245,197.32-25,178,382.10-9,985,254.76

Finding the Fourth Proportional to 18,245,197.32, 25,178,382.10 and 9,985,254.76

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Solution

The fourth proportional to 18,245,197.32, 25,178,382.10 and 9,985,254.76 is: 13,779,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,197.32 : 25,178,382.10 = 9,985,254.76 : x
  2. Step 2: Convert to fraction form
    18,245,197.32/25,178,382.10 = 9,985,254.76/x
  3. Step 3: Cross multiply
    18,245,197.32x = 25,178,382.10 × 9,985,254.76
  4. Step 4: Simplify right side
    18,245,197.32x = 251,412,559,713,123.81
  5. Step 5: Solve for x
    x = 251,412,559,713,123.81/18,245,197.32
  6. Step 6: Final answer
    x = 13,779,656.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.