Home / 8,500,009.79-12,748,769.02-4,180,900.67

Finding the Fourth Proportional to 8,500,009.79, 12,748,769.02 and 4,180,900.67

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Solution

The fourth proportional to 8,500,009.79, 12,748,769.02 and 4,180,900.67 is: 6,270,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,009.79 : 12,748,769.02 = 4,180,900.67 : x
  2. Step 2: Convert to fraction form
    8,500,009.79/12,748,769.02 = 4,180,900.67/x
  3. Step 3: Cross multiply
    8,500,009.79x = 12,748,769.02 × 4,180,900.67
  4. Step 4: Simplify right side
    8,500,009.79x = 53,301,336,937,393.24
  5. Step 5: Solve for x
    x = 53,301,336,937,393.24/8,500,009.79
  6. Step 6: Final answer
    x = 6,270,738.30

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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.