Home / 12,888,884.71-17,782,307.35-7,306,532.35

Finding the Fourth Proportional to 12,888,884.71, 17,782,307.35 and 7,306,532.35

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Solution

The fourth proportional to 12,888,884.71, 17,782,307.35 and 7,306,532.35 is: 10,080,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,884.71 : 17,782,307.35 = 7,306,532.35 : x
  2. Step 2: Convert to fraction form
    12,888,884.71/17,782,307.35 = 7,306,532.35/x
  3. Step 3: Cross multiply
    12,888,884.71x = 17,782,307.35 × 7,306,532.35
  4. Step 4: Simplify right side
    12,888,884.71x = 129,927,003,937,448.19
  5. Step 5: Solve for x
    x = 129,927,003,937,448.19/12,888,884.71
  6. Step 6: Final answer
    x = 10,080,546.68

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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.