Home / 28,742,620.80-43,113,931.20-17,377,219.20

Finding the Fourth Proportional to 28,742,620.80, 43,113,931.20 and 17,377,219.20

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Solution

The fourth proportional to 28,742,620.80, 43,113,931.20 and 17,377,219.20 is: 26,065,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,620.80 : 43,113,931.20 = 17,377,219.20 : x
  2. Step 2: Convert to fraction form
    28,742,620.80/43,113,931.20 = 17,377,219.20/x
  3. Step 3: Cross multiply
    28,742,620.80x = 43,113,931.20 × 17,377,219.20
  4. Step 4: Simplify right side
    28,742,620.80x = 749,200,233,036,119
  5. Step 5: Solve for x
    x = 749,200,233,036,119/28,742,620.80
  6. Step 6: Final answer
    x = 26,065,828.80

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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.