Home / 19,323,903.60-28,985,855.40-9,246,207.60

Finding the Fourth Proportional to 19,323,903.60, 28,985,855.40 and 9,246,207.60

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Solution

The fourth proportional to 19,323,903.60, 28,985,855.40 and 9,246,207.60 is: 13,869,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323,903.60 : 28,985,855.40 = 9,246,207.60 : x
  2. Step 2: Convert to fraction form
    19,323,903.60/28,985,855.40 = 9,246,207.60/x
  3. Step 3: Cross multiply
    19,323,903.60x = 28,985,855.40 × 9,246,207.60
  4. Step 4: Simplify right side
    19,323,903.60x = 268,009,236,491,981
  5. Step 5: Solve for x
    x = 268,009,236,491,981/19,323,903.60
  6. Step 6: Final answer
    x = 13,869,311.40

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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.