Home / 38,518,919.14-57,742,210.60-12,942,041.62

Finding the Fourth Proportional to 38,518,919.14, 57,742,210.60 and 12,942,041.62

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Solution

The fourth proportional to 38,518,919.14, 57,742,210.60 and 12,942,041.62 is: 19,400,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518,919.14 : 57,742,210.60 = 12,942,041.62 : x
  2. Step 2: Convert to fraction form
    38,518,919.14/57,742,210.60 = 12,942,041.62/x
  3. Step 3: Cross multiply
    38,518,919.14x = 57,742,210.60 × 12,942,041.62
  4. Step 4: Simplify right side
    38,518,919.14x = 747,302,092,816,005.12
  5. Step 5: Solve for x
    x = 747,302,092,816,005.12/38,518,919.14
  6. Step 6: Final answer
    x = 19,400,910.24

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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.