Home / 47,517,434.04-65,564,581.56-28,920,117.60

Finding the Fourth Proportional to 47,517,434.04, 65,564,581.56 and 28,920,117.60

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Solution

The fourth proportional to 47,517,434.04, 65,564,581.56 and 28,920,117.60 is: 39,903,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,517,434.04 : 65,564,581.56 = 28,920,117.60 : x
  2. Step 2: Convert to fraction form
    47,517,434.04/65,564,581.56 = 28,920,117.60/x
  3. Step 3: Cross multiply
    47,517,434.04x = 65,564,581.56 × 28,920,117.60
  4. Step 4: Simplify right side
    47,517,434.04x = 1,896,135,409,109,991.50
  5. Step 5: Solve for x
    x = 1,896,135,409,109,991.50/47,517,434.04
  6. Step 6: Final answer
    x = 39,903,994.13

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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.