Home / 15,587,259.32-21,496,440.66-12,982,411.64

Finding the Fourth Proportional to 15,587,259.32, 21,496,440.66 and 12,982,411.64

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Solution

The fourth proportional to 15,587,259.32, 21,496,440.66 and 12,982,411.64 is: 17,904,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,259.32 : 21,496,440.66 = 12,982,411.64 : x
  2. Step 2: Convert to fraction form
    15,587,259.32/21,496,440.66 = 12,982,411.64/x
  3. Step 3: Cross multiply
    15,587,259.32x = 21,496,440.66 × 12,982,411.64
  4. Step 4: Simplify right side
    15,587,259.32x = 279,075,641,442,953.31
  5. Step 5: Solve for x
    x = 279,075,641,442,953.31/15,587,259.32
  6. Step 6: Final answer
    x = 17,904,086.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.