Home / 28,081,465.60-42,101,203.20-11,894,166.40

Finding the Fourth Proportional to 28,081,465.60, 42,101,203.20 and 11,894,166.40

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Solution

The fourth proportional to 28,081,465.60, 42,101,203.20 and 11,894,166.40 is: 17,832,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,465.60 : 42,101,203.20 = 11,894,166.40 : x
  2. Step 2: Convert to fraction form
    28,081,465.60/42,101,203.20 = 11,894,166.40/x
  3. Step 3: Cross multiply
    28,081,465.60x = 42,101,203.20 × 11,894,166.40
  4. Step 4: Simplify right side
    28,081,465.60x = 500,758,716,501,012.50
  5. Step 5: Solve for x
    x = 500,758,716,501,012.50/28,081,465.60
  6. Step 6: Final answer
    x = 17,832,356.89

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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.