Home / 15,774,602.46-21,768,965.91-8,531,258.46

Finding the Fourth Proportional to 15,774,602.46, 21,768,965.91 and 8,531,258.46

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Solution

The fourth proportional to 15,774,602.46, 21,768,965.91 and 8,531,258.46 is: 11,773,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,602.46 : 21,768,965.91 = 8,531,258.46 : x
  2. Step 2: Convert to fraction form
    15,774,602.46/21,768,965.91 = 8,531,258.46/x
  3. Step 3: Cross multiply
    15,774,602.46x = 21,768,965.91 × 8,531,258.46
  4. Step 4: Simplify right side
    15,774,602.46x = 185,716,674,585,139.12
  5. Step 5: Solve for x
    x = 185,716,674,585,139.12/15,774,602.46
  6. Step 6: Final answer
    x = 11,773,144.52

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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.