Home / 7,000,890.40-10,506,001.20-3,212,423.20

Finding the Fourth Proportional to 7,000,890.40, 10,506,001.20 and 3,212,423.20

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Solution

The fourth proportional to 7,000,890.40, 10,506,001.20 and 3,212,423.20 is: 4,820,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,890.40 : 10,506,001.20 = 3,212,423.20 : x
  2. Step 2: Convert to fraction form
    7,000,890.40/10,506,001.20 = 3,212,423.20/x
  3. Step 3: Cross multiply
    7,000,890.40x = 10,506,001.20 × 3,212,423.20
  4. Step 4: Simplify right side
    7,000,890.40x = 33,749,721,994,107.84
  5. Step 5: Solve for x
    x = 33,749,721,994,107.84/7,000,890.40
  6. Step 6: Final answer
    x = 4,820,775.65

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1.5x scale

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.