Home / 15,570,689.13-21,488,159.12-8,601,726.15

Finding the Fourth Proportional to 15,570,689.13, 21,488,159.12 and 8,601,726.15

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Solution

The fourth proportional to 15,570,689.13, 21,488,159.12 and 8,601,726.15 is: 11,870,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,689.13 : 21,488,159.12 = 8,601,726.15 : x
  2. Step 2: Convert to fraction form
    15,570,689.13/21,488,159.12 = 8,601,726.15/x
  3. Step 3: Cross multiply
    15,570,689.13x = 21,488,159.12 × 8,601,726.15
  4. Step 4: Simplify right side
    15,570,689.13x = 184,835,260,174,856.34
  5. Step 5: Solve for x
    x = 184,835,260,174,856.34/15,570,689.13
  6. Step 6: Final answer
    x = 11,870,718.03

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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.