Home / 19,156,812.60-28,735,218.90-18,400,985.40

Finding the Fourth Proportional to 19,156,812.60, 28,735,218.90 and 18,400,985.40

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Solution

The fourth proportional to 19,156,812.60, 28,735,218.90 and 18,400,985.40 is: 27,601,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,812.60 : 28,735,218.90 = 18,400,985.40 : x
  2. Step 2: Convert to fraction form
    19,156,812.60/28,735,218.90 = 18,400,985.40/x
  3. Step 3: Cross multiply
    19,156,812.60x = 28,735,218.90 × 18,400,985.40
  4. Step 4: Simplify right side
    19,156,812.60x = 528,756,343,444,704
  5. Step 5: Solve for x
    x = 528,756,343,444,704/19,156,812.60
  6. Step 6: Final answer
    x = 27,601,478.10

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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.