Home / 14,418,386.55-19,897,379.34-7,892,048.88

Finding the Fourth Proportional to 14,418,386.55, 19,897,379.34 and 7,892,048.88

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Solution

The fourth proportional to 14,418,386.55, 19,897,379.34 and 7,892,048.88 is: 10,891,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418,386.55 : 19,897,379.34 = 7,892,048.88 : x
  2. Step 2: Convert to fraction form
    14,418,386.55/19,897,379.34 = 7,892,048.88/x
  3. Step 3: Cross multiply
    14,418,386.55x = 19,897,379.34 × 7,892,048.88
  4. Step 4: Simplify right side
    14,418,386.55x = 157,031,090,335,182.12
  5. Step 5: Solve for x
    x = 157,031,090,335,182.12/14,418,386.55
  6. Step 6: Final answer
    x = 10,891,030.68

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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.