Home / 28,119,361.38-42,168,137.29-9,671,798.59

Finding the Fourth Proportional to 28,119,361.38, 42,168,137.29 and 9,671,798.59

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Solution

The fourth proportional to 28,119,361.38, 42,168,137.29 and 9,671,798.59 is: 14,503,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,361.38 : 42,168,137.29 = 9,671,798.59 : x
  2. Step 2: Convert to fraction form
    28,119,361.38/42,168,137.29 = 9,671,798.59/x
  3. Step 3: Cross multiply
    28,119,361.38x = 42,168,137.29 × 9,671,798.59
  4. Step 4: Simplify right side
    28,119,361.38x = 407,841,730,784,348.38
  5. Step 5: Solve for x
    x = 407,841,730,784,348.38/28,119,361.38
  6. Step 6: Final answer
    x = 14,503,947.13

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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.