Home / 29,124,002.80-43,686,004.20-28,557,132.40

Finding the Fourth Proportional to 29,124,002.80, 43,686,004.20 and 28,557,132.40

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Solution

The fourth proportional to 29,124,002.80, 43,686,004.20 and 28,557,132.40 is: 42,835,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124,002.80 : 43,686,004.20 = 28,557,132.40 : x
  2. Step 2: Convert to fraction form
    29,124,002.80/43,686,004.20 = 28,557,132.40/x
  3. Step 3: Cross multiply
    29,124,002.80x = 43,686,004.20 × 28,557,132.40
  4. Step 4: Simplify right side
    29,124,002.80x = 1,247,547,005,966,356
  5. Step 5: Solve for x
    x = 1,247,547,005,966,356/29,124,002.80
  6. Step 6: Final answer
    x = 42,835,698.60

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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.