Home / 20,249,876.93-30,377,970.75-6,599,856.47

Finding the Fourth Proportional to 20,249,876.93, 30,377,970.75 and 6,599,856.47

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Solution

The fourth proportional to 20,249,876.93, 30,377,970.75 and 6,599,856.47 is: 9,900,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249,876.93 : 30,377,970.75 = 6,599,856.47 : x
  2. Step 2: Convert to fraction form
    20,249,876.93/30,377,970.75 = 6,599,856.47/x
  3. Step 3: Cross multiply
    20,249,876.93x = 30,377,970.75 × 6,599,856.47
  4. Step 4: Simplify right side
    20,249,876.93x = 200,490,246,799,858.25
  5. Step 5: Solve for x
    x = 200,490,246,799,858.25/20,249,876.93
  6. Step 6: Final answer
    x = 9,900,813.10

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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.