Home / 13,148,271.84-18,144,267.05-7,347,101.25

Finding the Fourth Proportional to 13,148,271.84, 18,144,267.05 and 7,347,101.25

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Solution

The fourth proportional to 13,148,271.84, 18,144,267.05 and 7,347,101.25 is: 10,138,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,271.84 : 18,144,267.05 = 7,347,101.25 : x
  2. Step 2: Convert to fraction form
    13,148,271.84/18,144,267.05 = 7,347,101.25/x
  3. Step 3: Cross multiply
    13,148,271.84x = 18,144,267.05 × 7,347,101.25
  4. Step 4: Simplify right side
    13,148,271.84x = 133,307,767,086,653.31
  5. Step 5: Solve for x
    x = 133,307,767,086,653.31/13,148,271.84
  6. Step 6: Final answer
    x = 10,138,805.21

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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.