Home / 19,986,062.40-29,931,854.40-13,561,531.20

Finding the Fourth Proportional to 19,986,062.40, 29,931,854.40 and 13,561,531.20

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Solution

The fourth proportional to 19,986,062.40, 29,931,854.40 and 13,561,531.20 is: 20,310,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,062.40 : 29,931,854.40 = 13,561,531.20 : x
  2. Step 2: Convert to fraction form
    19,986,062.40/29,931,854.40 = 13,561,531.20/x
  3. Step 3: Cross multiply
    19,986,062.40x = 29,931,854.40 × 13,561,531.20
  4. Step 4: Simplify right side
    19,986,062.40x = 405,921,777,319,457.25
  5. Step 5: Solve for x
    x = 405,921,777,319,457.25/19,986,062.40
  6. Step 6: Final answer
    x = 20,310,242.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.