Home / 31,095,210-42,925,149.68-20,087,327.01

Finding the Fourth Proportional to 31,095,210, 42,925,149.68 and 20,087,327.01

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Solution

The fourth proportional to 31,095,210, 42,925,149.68 and 20,087,327.01 is: 27,729,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095,210 : 42,925,149.68 = 20,087,327.01 : x
  2. Step 2: Convert to fraction form
    31,095,210/42,925,149.68 = 20,087,327.01/x
  3. Step 3: Cross multiply
    31,095,210x = 42,925,149.68 × 20,087,327.01
  4. Step 4: Simplify right side
    31,095,210x = 862,251,518,575,356.88
  5. Step 5: Solve for x
    x = 862,251,518,575,356.88/31,095,210
  6. Step 6: Final answer
    x = 27,729,400.08

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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.