Home / 28,072,259.40-42,108,389.10-8,904,516.60

Finding the Fourth Proportional to 28,072,259.40, 42,108,389.10 and 8,904,516.60

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Solution

The fourth proportional to 28,072,259.40, 42,108,389.10 and 8,904,516.60 is: 13,356,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,259.40 : 42,108,389.10 = 8,904,516.60 : x
  2. Step 2: Convert to fraction form
    28,072,259.40/42,108,389.10 = 8,904,516.60/x
  3. Step 3: Cross multiply
    28,072,259.40x = 42,108,389.10 × 8,904,516.60
  4. Step 4: Simplify right side
    28,072,259.40x = 374,954,849,740,209.06
  5. Step 5: Solve for x
    x = 374,954,849,740,209.06/28,072,259.40
  6. Step 6: Final answer
    x = 13,356,774.90

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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.