Home / 7,243,338.60-10,865,007.90-4,692,421.80

Finding the Fourth Proportional to 7,243,338.60, 10,865,007.90 and 4,692,421.80

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Solution

The fourth proportional to 7,243,338.60, 10,865,007.90 and 4,692,421.80 is: 7,038,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,338.60 : 10,865,007.90 = 4,692,421.80 : x
  2. Step 2: Convert to fraction form
    7,243,338.60/10,865,007.90 = 4,692,421.80/x
  3. Step 3: Cross multiply
    7,243,338.60x = 10,865,007.90 × 4,692,421.80
  4. Step 4: Simplify right side
    7,243,338.60x = 50,983,199,927,132.22
  5. Step 5: Solve for x
    x = 50,983,199,927,132.22/7,243,338.60
  6. Step 6: Final answer
    x = 7,038,632.70

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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.