Home / 21,971,307.60-32,956,961.40-18,653,547.60

Finding the Fourth Proportional to 21,971,307.60, 32,956,961.40 and 18,653,547.60

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Solution

The fourth proportional to 21,971,307.60, 32,956,961.40 and 18,653,547.60 is: 27,980,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971,307.60 : 32,956,961.40 = 18,653,547.60 : x
  2. Step 2: Convert to fraction form
    21,971,307.60/32,956,961.40 = 18,653,547.60/x
  3. Step 3: Cross multiply
    21,971,307.60x = 32,956,961.40 × 18,653,547.60
  4. Step 4: Simplify right side
    21,971,307.60x = 614,764,248,226,262.62
  5. Step 5: Solve for x
    x = 614,764,248,226,262.62/21,971,307.60
  6. Step 6: Final answer
    x = 27,980,321.40

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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.