Home / 38,865,983.76-58,259,959.56-13,289,501.52

Finding the Fourth Proportional to 38,865,983.76, 58,259,959.56 and 13,289,501.52

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Solution

The fourth proportional to 38,865,983.76, 58,259,959.56 and 13,289,501.52 is: 19,920,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865,983.76 : 58,259,959.56 = 13,289,501.52 : x
  2. Step 2: Convert to fraction form
    38,865,983.76/58,259,959.56 = 13,289,501.52/x
  3. Step 3: Cross multiply
    38,865,983.76x = 58,259,959.56 × 13,289,501.52
  4. Step 4: Simplify right side
    38,865,983.76x = 774,245,821,127,758.50
  5. Step 5: Solve for x
    x = 774,245,821,127,758.50/38,865,983.76
  6. Step 6: Final answer
    x = 19,920,911.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.