Home / 42,763,794.38-64,142,345.46-12,057,133.40

Finding the Fourth Proportional to 42,763,794.38, 64,142,345.46 and 12,057,133.40

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Solution

The fourth proportional to 42,763,794.38, 64,142,345.46 and 12,057,133.40 is: 18,084,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763,794.38 : 64,142,345.46 = 12,057,133.40 : x
  2. Step 2: Convert to fraction form
    42,763,794.38/64,142,345.46 = 12,057,133.40/x
  3. Step 3: Cross multiply
    42,763,794.38x = 64,142,345.46 × 12,057,133.40
  4. Step 4: Simplify right side
    42,763,794.38x = 773,372,815,697,319.38
  5. Step 5: Solve for x
    x = 773,372,815,697,319.38/42,763,794.38
  6. Step 6: Final answer
    x = 18,084,756.67

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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.