Home / 30,278,237.39-45,417,085.43-9,530,240.49

Finding the Fourth Proportional to 30,278,237.39, 45,417,085.43 and 9,530,240.49

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Solution

The fourth proportional to 30,278,237.39, 45,417,085.43 and 9,530,240.49 is: 14,295,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278,237.39 : 45,417,085.43 = 9,530,240.49 : x
  2. Step 2: Convert to fraction form
    30,278,237.39/45,417,085.43 = 9,530,240.49/x
  3. Step 3: Cross multiply
    30,278,237.39x = 45,417,085.43 × 9,530,240.49
  4. Step 4: Simplify right side
    30,278,237.39x = 432,835,746,455,123.81
  5. Step 5: Solve for x
    x = 432,835,746,455,123.81/30,278,237.39
  6. Step 6: Final answer
    x = 14,295,275.55

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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.