Home / 9,668,916.40-14,487,628.20-7,117,999.60

Finding the Fourth Proportional to 9,668,916.40, 14,487,628.20 and 7,117,999.60

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Solution

The fourth proportional to 9,668,916.40, 14,487,628.20 and 7,117,999.60 is: 10,665,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668,916.40 : 14,487,628.20 = 7,117,999.60 : x
  2. Step 2: Convert to fraction form
    9,668,916.40/14,487,628.20 = 7,117,999.60/x
  3. Step 3: Cross multiply
    9,668,916.40x = 14,487,628.20 × 7,117,999.60
  4. Step 4: Simplify right side
    9,668,916.40x = 103,122,931,732,548.70
  5. Step 5: Solve for x
    x = 103,122,931,732,548.70/9,668,916.40
  6. Step 6: Final answer
    x = 10,665,407.32

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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.