Home / 12,254,965.10-18,382,447.65-8,223,886.70

Finding the Fourth Proportional to 12,254,965.10, 18,382,447.65 and 8,223,886.70

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Solution

The fourth proportional to 12,254,965.10, 18,382,447.65 and 8,223,886.70 is: 12,335,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,965.10 : 18,382,447.65 = 8,223,886.70 : x
  2. Step 2: Convert to fraction form
    12,254,965.10/18,382,447.65 = 8,223,886.70/x
  3. Step 3: Cross multiply
    12,254,965.10x = 18,382,447.65 × 8,223,886.70
  4. Step 4: Simplify right side
    12,254,965.10x = 151,175,166,742,281.25
  5. Step 5: Solve for x
    x = 151,175,166,742,281.25/12,254,965.10
  6. Step 6: Final answer
    x = 12,335,830.05

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1.5x scale

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.