Home / 9,775,470.69-13,490,458.90-5,645,427.12

Finding the Fourth Proportional to 9,775,470.69, 13,490,458.90 and 5,645,427.12

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Solution

The fourth proportional to 9,775,470.69, 13,490,458.90 and 5,645,427.12 is: 7,790,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775,470.69 : 13,490,458.90 = 5,645,427.12 : x
  2. Step 2: Convert to fraction form
    9,775,470.69/13,490,458.90 = 5,645,427.12/x
  3. Step 3: Cross multiply
    9,775,470.69x = 13,490,458.90 × 5,645,427.12
  4. Step 4: Simplify right side
    9,775,470.69x = 76,159,402,521,191.81
  5. Step 5: Solve for x
    x = 76,159,402,521,191.81/9,775,470.69
  6. Step 6: Final answer
    x = 7,790,868.08

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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.