Home / 21,815,368.07-30,105,301.05-12,025,599.53

Finding the Fourth Proportional to 21,815,368.07, 30,105,301.05 and 12,025,599.53

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Solution

The fourth proportional to 21,815,368.07, 30,105,301.05 and 12,025,599.53 is: 16,595,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,368.07 : 30,105,301.05 = 12,025,599.53 : x
  2. Step 2: Convert to fraction form
    21,815,368.07/30,105,301.05 = 12,025,599.53/x
  3. Step 3: Cross multiply
    21,815,368.07x = 30,105,301.05 × 12,025,599.53
  4. Step 4: Simplify right side
    21,815,368.07x = 362,034,294,006,862
  5. Step 5: Solve for x
    x = 362,034,294,006,862/21,815,368.07
  6. Step 6: Final answer
    x = 16,595,378.68

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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.