Home / 30,209,081.10-45,313,621.65-8,644,386.30

Finding the Fourth Proportional to 30,209,081.10, 45,313,621.65 and 8,644,386.30

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Solution

The fourth proportional to 30,209,081.10, 45,313,621.65 and 8,644,386.30 is: 12,966,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,081.10 : 45,313,621.65 = 8,644,386.30 : x
  2. Step 2: Convert to fraction form
    30,209,081.10/45,313,621.65 = 8,644,386.30/x
  3. Step 3: Cross multiply
    30,209,081.10x = 45,313,621.65 × 8,644,386.30
  4. Step 4: Simplify right side
    30,209,081.10x = 391,708,450,194,643.44
  5. Step 5: Solve for x
    x = 391,708,450,194,643.44/30,209,081.10
  6. Step 6: Final answer
    x = 12,966,579.45

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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.