Home / 9,390,045.12-12,958,316.16-5,522,729.28

Finding the Fourth Proportional to 9,390,045.12, 12,958,316.16 and 5,522,729.28

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Solution

The fourth proportional to 9,390,045.12, 12,958,316.16 and 5,522,729.28 is: 7,621,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390,045.12 : 12,958,316.16 = 5,522,729.28 : x
  2. Step 2: Convert to fraction form
    9,390,045.12/12,958,316.16 = 5,522,729.28/x
  3. Step 3: Cross multiply
    9,390,045.12x = 12,958,316.16 × 5,522,729.28
  4. Step 4: Simplify right side
    9,390,045.12x = 71,565,272,076,329.17
  5. Step 5: Solve for x
    x = 71,565,272,076,329.17/9,390,045.12
  6. Step 6: Final answer
    x = 7,621,398.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.