Home / 18,338,030.56-25,307,088.90-10,078,385.61

Finding the Fourth Proportional to 18,338,030.56, 25,307,088.90 and 10,078,385.61

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Solution

The fourth proportional to 18,338,030.56, 25,307,088.90 and 10,078,385.61 is: 13,908,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,030.56 : 25,307,088.90 = 10,078,385.61 : x
  2. Step 2: Convert to fraction form
    18,338,030.56/25,307,088.90 = 10,078,385.61/x
  3. Step 3: Cross multiply
    18,338,030.56x = 25,307,088.90 × 10,078,385.61
  4. Step 4: Simplify right side
    18,338,030.56x = 255,054,600,600,750.69
  5. Step 5: Solve for x
    x = 255,054,600,600,750.69/18,338,030.56
  6. Step 6: Final answer
    x = 13,908,505.60

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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.