Home / 14,178,843.40-21,264,117.90-5,079,886.60

Finding the Fourth Proportional to 14,178,843.40, 21,264,117.90 and 5,079,886.60

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Solution

The fourth proportional to 14,178,843.40, 21,264,117.90 and 5,079,886.60 is: 7,618,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,843.40 : 21,264,117.90 = 5,079,886.60 : x
  2. Step 2: Convert to fraction form
    14,178,843.40/21,264,117.90 = 5,079,886.60/x
  3. Step 3: Cross multiply
    14,178,843.40x = 21,264,117.90 × 5,079,886.60
  4. Step 4: Simplify right side
    14,178,843.40x = 108,019,307,581,030.12
  5. Step 5: Solve for x
    x = 108,019,307,581,030.12/14,178,843.40
  6. Step 6: Final answer
    x = 7,618,344.07

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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.