Home / 19,312,865.60-28,973,186.40-5,665,985.60

Finding the Fourth Proportional to 19,312,865.60, 28,973,186.40 and 5,665,985.60

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Solution

The fourth proportional to 19,312,865.60, 28,973,186.40 and 5,665,985.60 is: 8,500,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,865.60 : 28,973,186.40 = 5,665,985.60 : x
  2. Step 2: Convert to fraction form
    19,312,865.60/28,973,186.40 = 5,665,985.60/x
  3. Step 3: Cross multiply
    19,312,865.60x = 28,973,186.40 × 5,665,985.60
  4. Step 4: Simplify right side
    19,312,865.60x = 164,161,656,928,515.81
  5. Step 5: Solve for x
    x = 164,161,656,928,515.81/19,312,865.60
  6. Step 6: Final answer
    x = 8,500,119.06

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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.