Home / 12,935,897.80-19,391,405.10-10,055,667.40

Finding the Fourth Proportional to 12,935,897.80, 19,391,405.10 and 10,055,667.40

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Solution

The fourth proportional to 12,935,897.80, 19,391,405.10 and 10,055,667.40 is: 15,073,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,897.80 : 19,391,405.10 = 10,055,667.40 : x
  2. Step 2: Convert to fraction form
    12,935,897.80/19,391,405.10 = 10,055,667.40/x
  3. Step 3: Cross multiply
    12,935,897.80x = 19,391,405.10 × 10,055,667.40
  4. Step 4: Simplify right side
    12,935,897.80x = 194,993,520,104,263.75
  5. Step 5: Solve for x
    x = 194,993,520,104,263.75/12,935,897.80
  6. Step 6: Final answer
    x = 15,073,829.67

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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.