Home / 18,953,916.50-28,430,957.37-6,000,130.55

Finding the Fourth Proportional to 18,953,916.50, 28,430,957.37 and 6,000,130.55

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Solution

The fourth proportional to 18,953,916.50, 28,430,957.37 and 6,000,130.55 is: 9,000,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,916.50 : 28,430,957.37 = 6,000,130.55 : x
  2. Step 2: Convert to fraction form
    18,953,916.50/28,430,957.37 = 6,000,130.55/x
  3. Step 3: Cross multiply
    18,953,916.50x = 28,430,957.37 × 6,000,130.55
  4. Step 4: Simplify right side
    18,953,916.50x = 170,589,455,881,484.66
  5. Step 5: Solve for x
    x = 170,589,455,881,484.66/18,953,916.50
  6. Step 6: Final answer
    x = 9,000,221.98

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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.