Home / 20,506,740.80-30,761,860.80-5,360,648

Finding the Fourth Proportional to 20,506,740.80, 30,761,860.80 and 5,360,648

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Solution

The fourth proportional to 20,506,740.80, 30,761,860.80 and 5,360,648 is: 8,041,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,740.80 : 30,761,860.80 = 5,360,648 : x
  2. Step 2: Convert to fraction form
    20,506,740.80/30,761,860.80 = 5,360,648/x
  3. Step 3: Cross multiply
    20,506,740.80x = 30,761,860.80 × 5,360,648
  4. Step 4: Simplify right side
    20,506,740.80x = 164,903,507,573,798.41
  5. Step 5: Solve for x
    x = 164,903,507,573,798.41/20,506,740.80
  6. Step 6: Final answer
    x = 8,041,429.36

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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.