Home / 28,083,810.40-42,125,715.60-13,716,095.20

Finding the Fourth Proportional to 28,083,810.40, 42,125,715.60 and 13,716,095.20

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Solution

The fourth proportional to 28,083,810.40, 42,125,715.60 and 13,716,095.20 is: 20,574,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,810.40 : 42,125,715.60 = 13,716,095.20 : x
  2. Step 2: Convert to fraction form
    28,083,810.40/42,125,715.60 = 13,716,095.20/x
  3. Step 3: Cross multiply
    28,083,810.40x = 42,125,715.60 × 13,716,095.20
  4. Step 4: Simplify right side
    28,083,810.40x = 577,800,325,537,725.12
  5. Step 5: Solve for x
    x = 577,800,325,537,725.12/28,083,810.40
  6. Step 6: Final answer
    x = 20,574,142.80

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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.