Home / 20,599,259.60-30,898,889.40-6,220,828.10

Finding the Fourth Proportional to 20,599,259.60, 30,898,889.40 and 6,220,828.10

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Solution

The fourth proportional to 20,599,259.60, 30,898,889.40 and 6,220,828.10 is: 9,331,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,259.60 : 30,898,889.40 = 6,220,828.10 : x
  2. Step 2: Convert to fraction form
    20,599,259.60/30,898,889.40 = 6,220,828.10/x
  3. Step 3: Cross multiply
    20,599,259.60x = 30,898,889.40 × 6,220,828.10
  4. Step 4: Simplify right side
    20,599,259.60x = 192,216,679,438,312.12
  5. Step 5: Solve for x
    x = 192,216,679,438,312.12/20,599,259.60
  6. Step 6: Final answer
    x = 9,331,242.15

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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.