Home / 12,926,501.53-17,838,567.76-7,125,380.15

Finding the Fourth Proportional to 12,926,501.53, 17,838,567.76 and 7,125,380.15

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Solution

The fourth proportional to 12,926,501.53, 17,838,567.76 and 7,125,380.15 is: 9,833,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,501.53 : 17,838,567.76 = 7,125,380.15 : x
  2. Step 2: Convert to fraction form
    12,926,501.53/17,838,567.76 = 7,125,380.15/x
  3. Step 3: Cross multiply
    12,926,501.53x = 17,838,567.76 × 7,125,380.15
  4. Step 4: Simplify right side
    12,926,501.53x = 127,106,576,532,341.12
  5. Step 5: Solve for x
    x = 127,106,576,532,341.12/12,926,501.53
  6. Step 6: Final answer
    x = 9,833,022.20

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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.