Home / 20,493,265.65-30,720,981.53-10,249,211.24

Finding the Fourth Proportional to 20,493,265.65, 30,720,981.53 and 10,249,211.24

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Solution

The fourth proportional to 20,493,265.65, 30,720,981.53 and 10,249,211.24 is: 15,364,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,265.65 : 30,720,981.53 = 10,249,211.24 : x
  2. Step 2: Convert to fraction form
    20,493,265.65/30,720,981.53 = 10,249,211.24/x
  3. Step 3: Cross multiply
    20,493,265.65x = 30,720,981.53 × 10,249,211.24
  4. Step 4: Simplify right side
    20,493,265.65x = 314,865,828,996,257.38
  5. Step 5: Solve for x
    x = 314,865,828,996,257.38/20,493,265.65
  6. Step 6: Final answer
    x = 15,364,356.00

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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.