Home / 29,612,740.92-40,875,856.02-20,350,970.25

Finding the Fourth Proportional to 29,612,740.92, 40,875,856.02 and 20,350,970.25

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Solution

The fourth proportional to 29,612,740.92, 40,875,856.02 and 20,350,970.25 is: 28,091,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,612,740.92 : 40,875,856.02 = 20,350,970.25 : x
  2. Step 2: Convert to fraction form
    29,612,740.92/40,875,856.02 = 20,350,970.25/x
  3. Step 3: Cross multiply
    29,612,740.92x = 40,875,856.02 × 20,350,970.25
  4. Step 4: Simplify right side
    29,612,740.92x = 831,863,329,806,303.50
  5. Step 5: Solve for x
    x = 831,863,329,806,303.50/29,612,740.92
  6. Step 6: Final answer
    x = 28,091,399.31

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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.