Home / 14,394,733.72-19,864,731.12-7,868,389.40

Finding the Fourth Proportional to 14,394,733.72, 19,864,731.12 and 7,868,389.40

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Solution

The fourth proportional to 14,394,733.72, 19,864,731.12 and 7,868,389.40 is: 10,858,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,733.72 : 19,864,731.12 = 7,868,389.40 : x
  2. Step 2: Convert to fraction form
    14,394,733.72/19,864,731.12 = 7,868,389.40/x
  3. Step 3: Cross multiply
    14,394,733.72x = 19,864,731.12 × 7,868,389.40
  4. Step 4: Simplify right side
    14,394,733.72x = 156,303,439,778,458.16
  5. Step 5: Solve for x
    x = 156,303,439,778,458.16/14,394,733.72
  6. Step 6: Final answer
    x = 10,858,376.60

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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.