Home / 39,877,702.80-59,816,554.20-12,954,080.40

Finding the Fourth Proportional to 39,877,702.80, 59,816,554.20 and 12,954,080.40

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Solution

The fourth proportional to 39,877,702.80, 59,816,554.20 and 12,954,080.40 is: 19,431,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877,702.80 : 59,816,554.20 = 12,954,080.40 : x
  2. Step 2: Convert to fraction form
    39,877,702.80/59,816,554.20 = 12,954,080.40/x
  3. Step 3: Cross multiply
    39,877,702.80x = 59,816,554.20 × 12,954,080.40
  4. Step 4: Simplify right side
    39,877,702.80x = 774,868,452,357,757.75
  5. Step 5: Solve for x
    x = 774,868,452,357,757.75/39,877,702.80
  6. Step 6: Final answer
    x = 19,431,120.60

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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.