Home / 28,515,518.89-42,771,506.86-9,084,264.46

Finding the Fourth Proportional to 28,515,518.89, 42,771,506.86 and 9,084,264.46

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Solution

The fourth proportional to 28,515,518.89, 42,771,506.86 and 9,084,264.46 is: 13,625,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,518.89 : 42,771,506.86 = 9,084,264.46 : x
  2. Step 2: Convert to fraction form
    28,515,518.89/42,771,506.86 = 9,084,264.46/x
  3. Step 3: Cross multiply
    28,515,518.89x = 42,771,506.86 × 9,084,264.46
  4. Step 4: Simplify right side
    28,515,518.89x = 388,547,679,539,304.75
  5. Step 5: Solve for x
    x = 388,547,679,539,304.75/28,515,518.89
  6. Step 6: Final answer
    x = 13,625,832.34

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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.