Home / 13,791,045.64-19,031,642.06-7,993,190.40

Finding the Fourth Proportional to 13,791,045.64, 19,031,642.06 and 7,993,190.40

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Solution

The fourth proportional to 13,791,045.64, 19,031,642.06 and 7,993,190.40 is: 11,030,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,045.64 : 19,031,642.06 = 7,993,190.40 : x
  2. Step 2: Convert to fraction form
    13,791,045.64/19,031,642.06 = 7,993,190.40/x
  3. Step 3: Cross multiply
    13,791,045.64x = 19,031,642.06 × 7,993,190.40
  4. Step 4: Simplify right side
    13,791,045.64x = 152,123,538,610,228.22
  5. Step 5: Solve for x
    x = 152,123,538,610,228.22/13,791,045.64
  6. Step 6: Final answer
    x = 11,030,602.22

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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.