Home / 31,069,712.54-42,894,572.56-27,622,410.86

Finding the Fourth Proportional to 31,069,712.54, 42,894,572.56 and 27,622,410.86

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Solution

The fourth proportional to 31,069,712.54, 42,894,572.56 and 27,622,410.86 is: 38,135,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069,712.54 : 42,894,572.56 = 27,622,410.86 : x
  2. Step 2: Convert to fraction form
    31,069,712.54/42,894,572.56 = 27,622,410.86/x
  3. Step 3: Cross multiply
    31,069,712.54x = 42,894,572.56 × 27,622,410.86
  4. Step 4: Simplify right side
    31,069,712.54x = 1,184,851,506,916,402
  5. Step 5: Solve for x
    x = 1,184,851,506,916,402/31,069,712.54
  6. Step 6: Final answer
    x = 38,135,258.10

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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.