Home / 28,621,803.60-42,982,471.80-15,184,875.60

Finding the Fourth Proportional to 28,621,803.60, 42,982,471.80 and 15,184,875.60

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Solution

The fourth proportional to 28,621,803.60, 42,982,471.80 and 15,184,875.60 is: 22,803,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621,803.60 : 42,982,471.80 = 15,184,875.60 : x
  2. Step 2: Convert to fraction form
    28,621,803.60/42,982,471.80 = 15,184,875.60/x
  3. Step 3: Cross multiply
    28,621,803.60x = 42,982,471.80 × 15,184,875.60
  4. Step 4: Simplify right side
    28,621,803.60x = 652,683,487,263,508
  5. Step 5: Solve for x
    x = 652,683,487,263,508/28,621,803.60
  6. Step 6: Final answer
    x = 22,803,716.23

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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.