Home / 20,294,416.02-28,007,439.72-12,039,365.82

Finding the Fourth Proportional to 20,294,416.02, 28,007,439.72 and 12,039,365.82

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Solution

The fourth proportional to 20,294,416.02, 28,007,439.72 and 12,039,365.82 is: 16,615,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,416.02 : 28,007,439.72 = 12,039,365.82 : x
  2. Step 2: Convert to fraction form
    20,294,416.02/28,007,439.72 = 12,039,365.82/x
  3. Step 3: Cross multiply
    20,294,416.02x = 28,007,439.72 × 12,039,365.82
  4. Step 4: Simplify right side
    20,294,416.02x = 337,191,812,470,678.38
  5. Step 5: Solve for x
    x = 337,191,812,470,678.38/20,294,416.02
  6. Step 6: Final answer
    x = 16,615,004.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.