Home / 18,929,547.24-28,382,948.46-7,401,280.02

Finding the Fourth Proportional to 18,929,547.24, 28,382,948.46 and 7,401,280.02

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Solution

The fourth proportional to 18,929,547.24, 28,382,948.46 and 7,401,280.02 is: 11,097,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,547.24 : 28,382,948.46 = 7,401,280.02 : x
  2. Step 2: Convert to fraction form
    18,929,547.24/28,382,948.46 = 7,401,280.02/x
  3. Step 3: Cross multiply
    18,929,547.24x = 28,382,948.46 × 7,401,280.02
  4. Step 4: Simplify right side
    18,929,547.24x = 210,070,149,345,687.75
  5. Step 5: Solve for x
    x = 210,070,149,345,687.75/18,929,547.24
  6. Step 6: Final answer
    x = 11,097,473.53

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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.