Home / 42,521,338.76-58,697,585.40-28,590,768.40

Finding the Fourth Proportional to 42,521,338.76, 58,697,585.40 and 28,590,768.40

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Solution

The fourth proportional to 42,521,338.76, 58,697,585.40 and 28,590,768.40 is: 39,467,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,338.76 : 58,697,585.40 = 28,590,768.40 : x
  2. Step 2: Convert to fraction form
    42,521,338.76/58,697,585.40 = 28,590,768.40/x
  3. Step 3: Cross multiply
    42,521,338.76x = 58,697,585.40 × 28,590,768.40
  4. Step 4: Simplify right side
    42,521,338.76x = 1,678,209,069,810,621.25
  5. Step 5: Solve for x
    x = 1,678,209,069,810,621.25/42,521,338.76
  6. Step 6: Final answer
    x = 39,467,456.08

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Double scale
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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.