Home / 9,128,655.87-12,597,938.72-5,054,274.75

Finding the Fourth Proportional to 9,128,655.87, 12,597,938.72 and 5,054,274.75

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Solution

The fourth proportional to 9,128,655.87, 12,597,938.72 and 5,054,274.75 is: 6,975,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,655.87 : 12,597,938.72 = 5,054,274.75 : x
  2. Step 2: Convert to fraction form
    9,128,655.87/12,597,938.72 = 5,054,274.75/x
  3. Step 3: Cross multiply
    9,128,655.87x = 12,597,938.72 × 5,054,274.75
  4. Step 4: Simplify right side
    9,128,655.87x = 63,673,443,549,271.95
  5. Step 5: Solve for x
    x = 63,673,443,549,271.95/9,128,655.87
  6. Step 6: Final answer
    x = 6,975,117.09

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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.