Home / 30,704,671.86-42,337,903.50-25,105,448.88

Finding the Fourth Proportional to 30,704,671.86, 42,337,903.50 and 25,105,448.88

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Solution

The fourth proportional to 30,704,671.86, 42,337,903.50 and 25,105,448.88 is: 34,617,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704,671.86 : 42,337,903.50 = 25,105,448.88 : x
  2. Step 2: Convert to fraction form
    30,704,671.86/42,337,903.50 = 25,105,448.88/x
  3. Step 3: Cross multiply
    30,704,671.86x = 42,337,903.50 × 25,105,448.88
  4. Step 4: Simplify right side
    30,704,671.86x = 1,062,912,072,005,623
  5. Step 5: Solve for x
    x = 1,062,912,072,005,623/30,704,671.86
  6. Step 6: Final answer
    x = 34,617,275.08

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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.