Home / 28,244,712.30-42,367,068.45-21,859,547.10

Finding the Fourth Proportional to 28,244,712.30, 42,367,068.45 and 21,859,547.10

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Solution

The fourth proportional to 28,244,712.30, 42,367,068.45 and 21,859,547.10 is: 32,789,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244,712.30 : 42,367,068.45 = 21,859,547.10 : x
  2. Step 2: Convert to fraction form
    28,244,712.30/42,367,068.45 = 21,859,547.10/x
  3. Step 3: Cross multiply
    28,244,712.30x = 42,367,068.45 × 21,859,547.10
  4. Step 4: Simplify right side
    28,244,712.30x = 926,124,928,271,699.12
  5. Step 5: Solve for x
    x = 926,124,928,271,699.12/28,244,712.30
  6. Step 6: Final answer
    x = 32,789,320.65

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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.