Home / 21,498,818.32-32,248,026.72-8,716,284.40

Finding the Fourth Proportional to 21,498,818.32, 32,248,026.72 and 8,716,284.40

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Solution

The fourth proportional to 21,498,818.32, 32,248,026.72 and 8,716,284.40 is: 13,074,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,818.32 : 32,248,026.72 = 8,716,284.40 : x
  2. Step 2: Convert to fraction form
    21,498,818.32/32,248,026.72 = 8,716,284.40/x
  3. Step 3: Cross multiply
    21,498,818.32x = 32,248,026.72 × 8,716,284.40
  4. Step 4: Simplify right side
    21,498,818.32x = 281,082,972,230,319.16
  5. Step 5: Solve for x
    x = 281,082,972,230,319.16/21,498,818.32
  6. Step 6: Final answer
    x = 13,074,345.21

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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.