Home / 10,557,817.20-15,868,218.60-10,368,860.40

Finding the Fourth Proportional to 10,557,817.20, 15,868,218.60 and 10,368,860.40

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Solution

The fourth proportional to 10,557,817.20, 15,868,218.60 and 10,368,860.40 is: 15,584,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,817.20 : 15,868,218.60 = 10,368,860.40 : x
  2. Step 2: Convert to fraction form
    10,557,817.20/15,868,218.60 = 10,368,860.40/x
  3. Step 3: Cross multiply
    10,557,817.20x = 15,868,218.60 × 10,368,860.40
  4. Step 4: Simplify right side
    10,557,817.20x = 164,535,343,460,083.44
  5. Step 5: Solve for x
    x = 164,535,343,460,083.44/10,557,817.20
  6. Step 6: Final answer
    x = 15,584,219.76

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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.