Home / 12,585,851.60-17,369,808.52-7,693,937.60

Finding the Fourth Proportional to 12,585,851.60, 17,369,808.52 and 7,693,937.60

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Solution

The fourth proportional to 12,585,851.60, 17,369,808.52 and 7,693,937.60 is: 10,618,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,851.60 : 17,369,808.52 = 7,693,937.60 : x
  2. Step 2: Convert to fraction form
    12,585,851.60/17,369,808.52 = 7,693,937.60/x
  3. Step 3: Cross multiply
    12,585,851.60x = 17,369,808.52 × 7,693,937.60
  4. Step 4: Simplify right side
    12,585,851.60x = 133,642,222,876,828.34
  5. Step 5: Solve for x
    x = 133,642,222,876,828.34/12,585,851.60
  6. Step 6: Final answer
    x = 10,618,448.96

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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.