Home / 15,617,260.16-21,551,668.80-8,999,417.24

Finding the Fourth Proportional to 15,617,260.16, 21,551,668.80 and 8,999,417.24

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Solution

The fourth proportional to 15,617,260.16, 21,551,668.80 and 8,999,417.24 is: 12,419,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617,260.16 : 21,551,668.80 = 8,999,417.24 : x
  2. Step 2: Convert to fraction form
    15,617,260.16/21,551,668.80 = 8,999,417.24/x
  3. Step 3: Cross multiply
    15,617,260.16x = 21,551,668.80 × 8,999,417.24
  4. Step 4: Simplify right side
    15,617,260.16x = 193,952,459,749,490.12
  5. Step 5: Solve for x
    x = 193,952,459,749,490.12/15,617,260.16
  6. Step 6: Final answer
    x = 12,419,109.23

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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.