Home / 9,307,455.90-13,971,681.45-7,186,940.70

Finding the Fourth Proportional to 9,307,455.90, 13,971,681.45 and 7,186,940.70

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Solution

The fourth proportional to 9,307,455.90, 13,971,681.45 and 7,186,940.70 is: 10,788,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307,455.90 : 13,971,681.45 = 7,186,940.70 : x
  2. Step 2: Convert to fraction form
    9,307,455.90/13,971,681.45 = 7,186,940.70/x
  3. Step 3: Cross multiply
    9,307,455.90x = 13,971,681.45 × 7,186,940.70
  4. Step 4: Simplify right side
    9,307,455.90x = 100,413,646,060,440.02
  5. Step 5: Solve for x
    x = 100,413,646,060,440.02/9,307,455.90
  6. Step 6: Final answer
    x = 10,788,516.98

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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.