Home / 9,661,916.40-13,333,295.16-5,310,909.60

Finding the Fourth Proportional to 9,661,916.40, 13,333,295.16 and 5,310,909.60

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Solution

The fourth proportional to 9,661,916.40, 13,333,295.16 and 5,310,909.60 is: 7,328,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,916.40 : 13,333,295.16 = 5,310,909.60 : x
  2. Step 2: Convert to fraction form
    9,661,916.40/13,333,295.16 = 5,310,909.60/x
  3. Step 3: Cross multiply
    9,661,916.40x = 13,333,295.16 × 5,310,909.60
  4. Step 4: Simplify right side
    9,661,916.40x = 70,811,925,264,877.53
  5. Step 5: Solve for x
    x = 70,811,925,264,877.53/9,661,916.40
  6. Step 6: Final answer
    x = 7,328,973.09

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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.