Home / 12,986,435.19-19,482,309.59-4,465,665.03

Finding the Fourth Proportional to 12,986,435.19, 19,482,309.59 and 4,465,665.03

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Solution

The fourth proportional to 12,986,435.19, 19,482,309.59 and 4,465,665.03 is: 6,699,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,435.19 : 19,482,309.59 = 4,465,665.03 : x
  2. Step 2: Convert to fraction form
    12,986,435.19/19,482,309.59 = 4,465,665.03/x
  3. Step 3: Cross multiply
    12,986,435.19x = 19,482,309.59 × 4,465,665.03
  4. Step 4: Simplify right side
    12,986,435.19x = 87,001,468,617,368.33
  5. Step 5: Solve for x
    x = 87,001,468,617,368.33/12,986,435.19
  6. Step 6: Final answer
    x = 6,699,411.14

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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.