Home / 14,255,077.20-19,688,244.11-9,663,426.96

Finding the Fourth Proportional to 14,255,077.20, 19,688,244.11 and 9,663,426.96

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Solution

The fourth proportional to 14,255,077.20, 19,688,244.11 and 9,663,426.96 is: 13,346,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,077.20 : 19,688,244.11 = 9,663,426.96 : x
  2. Step 2: Convert to fraction form
    14,255,077.20/19,688,244.11 = 9,663,426.96/x
  3. Step 3: Cross multiply
    14,255,077.20x = 19,688,244.11 × 9,663,426.96
  4. Step 4: Simplify right side
    14,255,077.20x = 190,255,908,927,635.22
  5. Step 5: Solve for x
    x = 190,255,908,927,635.22/14,255,077.20
  6. Step 6: Final answer
    x = 13,346,536.55

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1.5x scale

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.