Home / 28,453,561.38-42,688,333.53-11,426,191.74

Finding the Fourth Proportional to 28,453,561.38, 42,688,333.53 and 11,426,191.74

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Solution

The fourth proportional to 28,453,561.38, 42,688,333.53 and 11,426,191.74 is: 17,142,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,561.38 : 42,688,333.53 = 11,426,191.74 : x
  2. Step 2: Convert to fraction form
    28,453,561.38/42,688,333.53 = 11,426,191.74/x
  3. Step 3: Cross multiply
    28,453,561.38x = 42,688,333.53 × 11,426,191.74
  4. Step 4: Simplify right side
    28,453,561.38x = 487,765,083,974,851.06
  5. Step 5: Solve for x
    x = 487,765,083,974,851.06/28,453,561.38
  6. Step 6: Final answer
    x = 17,142,496.77

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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.