Home / 10,211,068.20-15,316,602.30-9,431,621.40

Finding the Fourth Proportional to 10,211,068.20, 15,316,602.30 and 9,431,621.40

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Solution

The fourth proportional to 10,211,068.20, 15,316,602.30 and 9,431,621.40 is: 14,147,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,068.20 : 15,316,602.30 = 9,431,621.40 : x
  2. Step 2: Convert to fraction form
    10,211,068.20/15,316,602.30 = 9,431,621.40/x
  3. Step 3: Cross multiply
    10,211,068.20x = 15,316,602.30 × 9,431,621.40
  4. Step 4: Simplify right side
    10,211,068.20x = 144,460,394,027,969.22
  5. Step 5: Solve for x
    x = 144,460,394,027,969.22/10,211,068.20
  6. Step 6: Final answer
    x = 14,147,432.10

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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.