Home / 13,338,618.90-18,407,306.38-7,227,047.40

Finding the Fourth Proportional to 13,338,618.90, 18,407,306.38 and 7,227,047.40

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Solution

The fourth proportional to 13,338,618.90, 18,407,306.38 and 7,227,047.40 is: 9,973,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,618.90 : 18,407,306.38 = 7,227,047.40 : x
  2. Step 2: Convert to fraction form
    13,338,618.90/18,407,306.38 = 7,227,047.40/x
  3. Step 3: Cross multiply
    13,338,618.90x = 18,407,306.38 × 7,227,047.40
  4. Step 4: Simplify right side
    13,338,618.90x = 133,030,475,696,514.81
  5. Step 5: Solve for x
    x = 133,030,475,696,514.81/13,338,618.90
  6. Step 6: Final answer
    x = 9,973,332.07

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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.