Home / 11,812,859.40-17,683,859.70-7,018,080.60

Finding the Fourth Proportional to 11,812,859.40, 17,683,859.70 and 7,018,080.60

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Solution

The fourth proportional to 11,812,859.40, 17,683,859.70 and 7,018,080.60 is: 10,506,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,859.40 : 17,683,859.70 = 7,018,080.60 : x
  2. Step 2: Convert to fraction form
    11,812,859.40/17,683,859.70 = 7,018,080.60/x
  3. Step 3: Cross multiply
    11,812,859.40x = 17,683,859.70 × 7,018,080.60
  4. Step 4: Simplify right side
    11,812,859.40x = 124,106,752,693,691.81
  5. Step 5: Solve for x
    x = 124,106,752,693,691.81/11,812,859.40
  6. Step 6: Final answer
    x = 10,506,072.11

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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.