Home / 28,290,303.60-42,399,772.20-12,097,111.92

Finding the Fourth Proportional to 28,290,303.60, 42,399,772.20 and 12,097,111.92

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Solution

The fourth proportional to 28,290,303.60, 42,399,772.20 and 12,097,111.92 is: 18,130,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290,303.60 : 42,399,772.20 = 12,097,111.92 : x
  2. Step 2: Convert to fraction form
    28,290,303.60/42,399,772.20 = 12,097,111.92/x
  3. Step 3: Cross multiply
    28,290,303.60x = 42,399,772.20 × 12,097,111.92
  4. Step 4: Simplify right side
    28,290,303.60x = 512,914,789,685,904.69
  5. Step 5: Solve for x
    x = 512,914,789,685,904.69/28,290,303.60
  6. Step 6: Final answer
    x = 18,130,409.52

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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.