Home / 29,124,000.80-43,686,001.20-28,557,130.40

Finding the Fourth Proportional to 29,124,000.80, 43,686,001.20 and 28,557,130.40

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Solution

The fourth proportional to 29,124,000.80, 43,686,001.20 and 28,557,130.40 is: 42,835,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124,000.80 : 43,686,001.20 = 28,557,130.40 : x
  2. Step 2: Convert to fraction form
    29,124,000.80/43,686,001.20 = 28,557,130.40/x
  3. Step 3: Cross multiply
    29,124,000.80x = 43,686,001.20 × 28,557,130.40
  4. Step 4: Simplify right side
    29,124,000.80x = 1,247,546,832,922,956.50
  5. Step 5: Solve for x
    x = 1,247,546,832,922,956.50/29,124,000.80
  6. Step 6: Final answer
    x = 42,835,695.60

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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.