Home / 21,154,613.04-29,199,419.40-12,457,830.06

Finding the Fourth Proportional to 21,154,613.04, 29,199,419.40 and 12,457,830.06

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Solution

The fourth proportional to 21,154,613.04, 29,199,419.40 and 12,457,830.06 is: 17,195,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154,613.04 : 29,199,419.40 = 12,457,830.06 : x
  2. Step 2: Convert to fraction form
    21,154,613.04/29,199,419.40 = 12,457,830.06/x
  3. Step 3: Cross multiply
    21,154,613.04x = 29,199,419.40 × 12,457,830.06
  4. Step 4: Simplify right side
    21,154,613.04x = 363,761,404,735,867.19
  5. Step 5: Solve for x
    x = 363,761,404,735,867.19/21,154,613.04
  6. Step 6: Final answer
    x = 17,195,370.30

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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.