Home / 21,642,308.64-29,866,396.36-11,853,368.46

Finding the Fourth Proportional to 21,642,308.64, 29,866,396.36 and 11,853,368.46

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Solution

The fourth proportional to 21,642,308.64, 29,866,396.36 and 11,853,368.46 is: 16,357,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642,308.64 : 29,866,396.36 = 11,853,368.46 : x
  2. Step 2: Convert to fraction form
    21,642,308.64/29,866,396.36 = 11,853,368.46/x
  3. Step 3: Cross multiply
    21,642,308.64x = 29,866,396.36 × 11,853,368.46
  4. Step 4: Simplify right side
    21,642,308.64x = 354,017,400,627,482.81
  5. Step 5: Solve for x
    x = 354,017,400,627,482.81/21,642,308.64
  6. Step 6: Final answer
    x = 16,357,654.19

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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.