Home / 28,918,458.90-43,448,547.15-21,744,005.40

Finding the Fourth Proportional to 28,918,458.90, 43,448,547.15 and 21,744,005.40

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Solution

The fourth proportional to 28,918,458.90, 43,448,547.15 and 21,744,005.40 is: 32,669,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,458.90 : 43,448,547.15 = 21,744,005.40 : x
  2. Step 2: Convert to fraction form
    28,918,458.90/43,448,547.15 = 21,744,005.40/x
  3. Step 3: Cross multiply
    28,918,458.90x = 43,448,547.15 × 21,744,005.40
  4. Step 4: Simplify right side
    28,918,458.90x = 944,745,443,851,754.50
  5. Step 5: Solve for x
    x = 944,745,443,851,754.50/28,918,458.90
  6. Step 6: Final answer
    x = 32,669,287.36

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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.