Home / 28,247,936.40-42,371,904.60-26,547,325.20

Finding the Fourth Proportional to 28,247,936.40, 42,371,904.60 and 26,547,325.20

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Solution

The fourth proportional to 28,247,936.40, 42,371,904.60 and 26,547,325.20 is: 39,820,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,936.40 : 42,371,904.60 = 26,547,325.20 : x
  2. Step 2: Convert to fraction form
    28,247,936.40/42,371,904.60 = 26,547,325.20/x
  3. Step 3: Cross multiply
    28,247,936.40x = 42,371,904.60 × 26,547,325.20
  4. Step 4: Simplify right side
    28,247,936.40x = 1,124,860,730,759,575.88
  5. Step 5: Solve for x
    x = 1,124,860,730,759,575.88/28,247,936.40
  6. Step 6: Final answer
    x = 39,820,987.80

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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.