Home / 8,953,287.60-13,429,931.40-8,421,846.60

Finding the Fourth Proportional to 8,953,287.60, 13,429,931.40 and 8,421,846.60

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Solution

The fourth proportional to 8,953,287.60, 13,429,931.40 and 8,421,846.60 is: 12,632,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953,287.60 : 13,429,931.40 = 8,421,846.60 : x
  2. Step 2: Convert to fraction form
    8,953,287.60/13,429,931.40 = 8,421,846.60/x
  3. Step 3: Cross multiply
    8,953,287.60x = 13,429,931.40 × 8,421,846.60
  4. Step 4: Simplify right side
    8,953,287.60x = 113,104,822,099,323.23
  5. Step 5: Solve for x
    x = 113,104,822,099,323.23/8,953,287.60
  6. Step 6: Final answer
    x = 12,632,769.90

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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.