Home / 15,220,275.93-21,004,187.10-8,344,743.21

Finding the Fourth Proportional to 15,220,275.93, 21,004,187.10 and 8,344,743.21

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Solution

The fourth proportional to 15,220,275.93, 21,004,187.10 and 8,344,743.21 is: 11,515,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220,275.93 : 21,004,187.10 = 8,344,743.21 : x
  2. Step 2: Convert to fraction form
    15,220,275.93/21,004,187.10 = 8,344,743.21/x
  3. Step 3: Cross multiply
    15,220,275.93x = 21,004,187.10 × 8,344,743.21
  4. Step 4: Simplify right side
    15,220,275.93x = 175,274,547,684,294.59
  5. Step 5: Solve for x
    x = 175,274,547,684,294.59/15,220,275.93
  6. Step 6: Final answer
    x = 11,515,858.75

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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.