Home / 12,683,312.60-19,010,972.10-7,007,610.20

Finding the Fourth Proportional to 12,683,312.60, 19,010,972.10 and 7,007,610.20

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Solution

The fourth proportional to 12,683,312.60, 19,010,972.10 and 7,007,610.20 is: 10,503,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,312.60 : 19,010,972.10 = 7,007,610.20 : x
  2. Step 2: Convert to fraction form
    12,683,312.60/19,010,972.10 = 7,007,610.20/x
  3. Step 3: Cross multiply
    12,683,312.60x = 19,010,972.10 × 7,007,610.20
  4. Step 4: Simplify right side
    12,683,312.60x = 133,221,481,999,875.44
  5. Step 5: Solve for x
    x = 133,221,481,999,875.44/12,683,312.60
  6. Step 6: Final answer
    x = 10,503,681.98

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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.