Home / 15,730,726.44-21,708,813.06-8,855,459.40

Finding the Fourth Proportional to 15,730,726.44, 21,708,813.06 and 8,855,459.40

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Solution

The fourth proportional to 15,730,726.44, 21,708,813.06 and 8,855,459.40 is: 12,220,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730,726.44 : 21,708,813.06 = 8,855,459.40 : x
  2. Step 2: Convert to fraction form
    15,730,726.44/21,708,813.06 = 8,855,459.40/x
  3. Step 3: Cross multiply
    15,730,726.44x = 21,708,813.06 × 8,855,459.40
  4. Step 4: Simplify right side
    15,730,726.44x = 192,241,512,675,019.75
  5. Step 5: Solve for x
    x = 192,241,512,675,019.75/15,730,726.44
  6. Step 6: Final answer
    x = 12,220,765.10

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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.