Home / 25,345,688.80-38,018,533.20-8,306,917.60

Finding the Fourth Proportional to 25,345,688.80, 38,018,533.20 and 8,306,917.60

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Solution

The fourth proportional to 25,345,688.80, 38,018,533.20 and 8,306,917.60 is: 12,460,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345,688.80 : 38,018,533.20 = 8,306,917.60 : x
  2. Step 2: Convert to fraction form
    25,345,688.80/38,018,533.20 = 8,306,917.60/x
  3. Step 3: Cross multiply
    25,345,688.80x = 38,018,533.20 × 8,306,917.60
  4. Step 4: Simplify right side
    25,345,688.80x = 315,816,822,565,264.31
  5. Step 5: Solve for x
    x = 315,816,822,565,264.31/25,345,688.80
  6. Step 6: Final answer
    x = 12,460,376.40

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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.