Home / 13,791,045.65-19,031,642.09-7,993,190.42

Finding the Fourth Proportional to 13,791,045.65, 19,031,642.09 and 7,993,190.42

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Solution

The fourth proportional to 13,791,045.65, 19,031,642.09 and 7,993,190.42 is: 11,030,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,045.65 : 19,031,642.09 = 7,993,190.42 : x
  2. Step 2: Convert to fraction form
    13,791,045.65/19,031,642.09 = 7,993,190.42/x
  3. Step 3: Cross multiply
    13,791,045.65x = 19,031,642.09 × 7,993,190.42
  4. Step 4: Simplify right side
    13,791,045.65x = 152,123,539,095,532.62
  5. Step 5: Solve for x
    x = 152,123,539,095,532.62/13,791,045.65
  6. Step 6: Final answer
    x = 11,030,602.25

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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.