Home / 28,267,560-42,364,681.46-12,693,889.10

Finding the Fourth Proportional to 28,267,560, 42,364,681.46 and 12,693,889.10

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Solution

The fourth proportional to 28,267,560, 42,364,681.46 and 12,693,889.10 is: 19,024,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,560 : 42,364,681.46 = 12,693,889.10 : x
  2. Step 2: Convert to fraction form
    28,267,560/42,364,681.46 = 12,693,889.10/x
  3. Step 3: Cross multiply
    28,267,560x = 42,364,681.46 × 12,693,889.10
  4. Step 4: Simplify right side
    28,267,560x = 537,772,567,934,773.25
  5. Step 5: Solve for x
    x = 537,772,567,934,773.25/28,267,560
  6. Step 6: Final answer
    x = 19,024,371.68

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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.