Home / 39,877,435.76-59,816,133.08-12,586,464.16

Finding the Fourth Proportional to 39,877,435.76, 59,816,133.08 and 12,586,464.16

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Solution

The fourth proportional to 39,877,435.76, 59,816,133.08 and 12,586,464.16 is: 18,879,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877,435.76 : 59,816,133.08 = 12,586,464.16 : x
  2. Step 2: Convert to fraction form
    39,877,435.76/59,816,133.08 = 12,586,464.16/x
  3. Step 3: Cross multiply
    39,877,435.76x = 59,816,133.08 × 12,586,464.16
  4. Step 4: Simplify right side
    39,877,435.76x = 752,873,615,201,210.38
  5. Step 5: Solve for x
    x = 752,873,615,201,210.38/39,877,435.76
  6. Step 6: Final answer
    x = 18,879,689.75

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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.