Home / 13,217,089.83-18,239,898.47-7,416,300.60

Finding the Fourth Proportional to 13,217,089.83, 18,239,898.47 and 7,416,300.60

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Solution

The fourth proportional to 13,217,089.83, 18,239,898.47 and 7,416,300.60 is: 10,234,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,089.83 : 18,239,898.47 = 7,416,300.60 : x
  2. Step 2: Convert to fraction form
    13,217,089.83/18,239,898.47 = 7,416,300.60/x
  3. Step 3: Cross multiply
    13,217,089.83x = 18,239,898.47 × 7,416,300.60
  4. Step 4: Simplify right side
    13,217,089.83x = 135,272,569,967,000.06
  5. Step 5: Solve for x
    x = 135,272,569,967,000.06/13,217,089.83
  6. Step 6: Final answer
    x = 10,234,671.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.