Home / 30,802,681.92-42,510,061.80-17,572,150.02

Finding the Fourth Proportional to 30,802,681.92, 42,510,061.80 and 17,572,150.02

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Solution

The fourth proportional to 30,802,681.92, 42,510,061.80 and 17,572,150.02 is: 24,250,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,681.92 : 42,510,061.80 = 17,572,150.02 : x
  2. Step 2: Convert to fraction form
    30,802,681.92/42,510,061.80 = 17,572,150.02/x
  3. Step 3: Cross multiply
    30,802,681.92x = 42,510,061.80 × 17,572,150.02
  4. Step 4: Simplify right side
    30,802,681.92x = 746,993,183,309,071.12
  5. Step 5: Solve for x
    x = 746,993,183,309,071.12/30,802,681.92
  6. Step 6: Final answer
    x = 24,250,913.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.