Home / 19,312,005.20-28,968,007.80-19,013,406.80

Finding the Fourth Proportional to 19,312,005.20, 28,968,007.80 and 19,013,406.80

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Solution

The fourth proportional to 19,312,005.20, 28,968,007.80 and 19,013,406.80 is: 28,520,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,005.20 : 28,968,007.80 = 19,013,406.80 : x
  2. Step 2: Convert to fraction form
    19,312,005.20/28,968,007.80 = 19,013,406.80/x
  3. Step 3: Cross multiply
    19,312,005.20x = 28,968,007.80 × 19,013,406.80
  4. Step 4: Simplify right side
    19,312,005.20x = 550,780,516,486,973.06
  5. Step 5: Solve for x
    x = 550,780,516,486,973.06/19,312,005.20
  6. Step 6: Final answer
    x = 28,520,110.20

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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.