Home / 20,136,861.60-30,221,038.80-9,355,498.35

Finding the Fourth Proportional to 20,136,861.60, 30,221,038.80 and 9,355,498.35

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Solution

The fourth proportional to 20,136,861.60, 30,221,038.80 and 9,355,498.35 is: 14,040,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,861.60 : 30,221,038.80 = 9,355,498.35 : x
  2. Step 2: Convert to fraction form
    20,136,861.60/30,221,038.80 = 9,355,498.35/x
  3. Step 3: Cross multiply
    20,136,861.60x = 30,221,038.80 × 9,355,498.35
  4. Step 4: Simplify right side
    20,136,861.60x = 282,732,878,628,686
  5. Step 5: Solve for x
    x = 282,732,878,628,686/20,136,861.60
  6. Step 6: Final answer
    x = 14,040,563.23

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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.