Home / 18,924,421.62-28,386,629.44-4,547,489.42

Finding the Fourth Proportional to 18,924,421.62, 28,386,629.44 and 4,547,489.42

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Solution

The fourth proportional to 18,924,421.62, 28,386,629.44 and 4,547,489.42 is: 6,821,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,421.62 : 28,386,629.44 = 4,547,489.42 : x
  2. Step 2: Convert to fraction form
    18,924,421.62/28,386,629.44 = 4,547,489.42/x
  3. Step 3: Cross multiply
    18,924,421.62x = 28,386,629.44 × 4,547,489.42
  4. Step 4: Simplify right side
    18,924,421.62x = 129,087,897,047,860.53
  5. Step 5: Solve for x
    x = 129,087,897,047,860.53/18,924,421.62
  6. Step 6: Final answer
    x = 6,821,233.41

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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.