Home / 12,926,503.65-17,838,570.70-7,125,382.27

Finding the Fourth Proportional to 12,926,503.65, 17,838,570.70 and 7,125,382.27

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Solution

The fourth proportional to 12,926,503.65, 17,838,570.70 and 7,125,382.27 is: 9,833,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,503.65 : 17,838,570.70 = 7,125,382.27 : x
  2. Step 2: Convert to fraction form
    12,926,503.65/17,838,570.70 = 7,125,382.27/x
  3. Step 3: Cross multiply
    12,926,503.65x = 17,838,570.70 × 7,125,382.27
  4. Step 4: Simplify right side
    12,926,503.65x = 127,106,635,387,921.47
  5. Step 5: Solve for x
    x = 127,106,635,387,921.47/12,926,503.65
  6. Step 6: Final answer
    x = 9,833,025.14

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1.5x scale

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.