Home / 20,736,115.20-31,104,172.80-16,453,094.40

Finding the Fourth Proportional to 20,736,115.20, 31,104,172.80 and 16,453,094.40

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Solution

The fourth proportional to 20,736,115.20, 31,104,172.80 and 16,453,094.40 is: 24,679,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,115.20 : 31,104,172.80 = 16,453,094.40 : x
  2. Step 2: Convert to fraction form
    20,736,115.20/31,104,172.80 = 16,453,094.40/x
  3. Step 3: Cross multiply
    20,736,115.20x = 31,104,172.80 × 16,453,094.40
  4. Step 4: Simplify right side
    20,736,115.20x = 511,759,891,312,312.38
  5. Step 5: Solve for x
    x = 511,759,891,312,312.38/20,736,115.20
  6. Step 6: Final answer
    x = 24,679,641.60

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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.