Home / 30,731,660.10-46,097,490.15-15,426,159.30

Finding the Fourth Proportional to 30,731,660.10, 46,097,490.15 and 15,426,159.30

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Solution

The fourth proportional to 30,731,660.10, 46,097,490.15 and 15,426,159.30 is: 23,139,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,660.10 : 46,097,490.15 = 15,426,159.30 : x
  2. Step 2: Convert to fraction form
    30,731,660.10/46,097,490.15 = 15,426,159.30/x
  3. Step 3: Cross multiply
    30,731,660.10x = 46,097,490.15 × 15,426,159.30
  4. Step 4: Simplify right side
    30,731,660.10x = 711,107,226,384,080.88
  5. Step 5: Solve for x
    x = 711,107,226,384,080.88/30,731,660.10
  6. Step 6: Final answer
    x = 23,139,238.95

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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.