Home / 19,931,153.60-29,896,730.40-4,785,085.10

Finding the Fourth Proportional to 19,931,153.60, 29,896,730.40 and 4,785,085.10

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Solution

The fourth proportional to 19,931,153.60, 29,896,730.40 and 4,785,085.10 is: 7,177,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,153.60 : 29,896,730.40 = 4,785,085.10 : x
  2. Step 2: Convert to fraction form
    19,931,153.60/29,896,730.40 = 4,785,085.10/x
  3. Step 3: Cross multiply
    19,931,153.60x = 29,896,730.40 × 4,785,085.10
  4. Step 4: Simplify right side
    19,931,153.60x = 143,058,399,175,757.03
  5. Step 5: Solve for x
    x = 143,058,399,175,757.03/19,931,153.60
  6. Step 6: Final answer
    x = 7,177,627.65

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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.