Home / 13,140,007.80-19,710,011.70-3,556,865.40

Finding the Fourth Proportional to 13,140,007.80, 19,710,011.70 and 3,556,865.40

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Solution

The fourth proportional to 13,140,007.80, 19,710,011.70 and 3,556,865.40 is: 5,335,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,007.80 : 19,710,011.70 = 3,556,865.40 : x
  2. Step 2: Convert to fraction form
    13,140,007.80/19,710,011.70 = 3,556,865.40/x
  3. Step 3: Cross multiply
    13,140,007.80x = 19,710,011.70 × 3,556,865.40
  4. Step 4: Simplify right side
    13,140,007.80x = 70,105,858,649,325.17
  5. Step 5: Solve for x
    x = 70,105,858,649,325.17/13,140,007.80
  6. Step 6: Final answer
    x = 5,335,298.10

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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.