Home / 7,020,401.40-10,530,602.10-6,548,009.40

Finding the Fourth Proportional to 7,020,401.40, 10,530,602.10 and 6,548,009.40

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Solution

The fourth proportional to 7,020,401.40, 10,530,602.10 and 6,548,009.40 is: 9,822,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,401.40 : 10,530,602.10 = 6,548,009.40 : x
  2. Step 2: Convert to fraction form
    7,020,401.40/10,530,602.10 = 6,548,009.40/x
  3. Step 3: Cross multiply
    7,020,401.40x = 10,530,602.10 × 6,548,009.40
  4. Step 4: Simplify right side
    7,020,401.40x = 68,954,481,538,459.74
  5. Step 5: Solve for x
    x = 68,954,481,538,459.74/7,020,401.40
  6. Step 6: Final answer
    x = 9,822,014.10

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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.