Home / 19,223,999.70-28,835,999.55-10,113,638.10

Finding the Fourth Proportional to 19,223,999.70, 28,835,999.55 and 10,113,638.10

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Solution

The fourth proportional to 19,223,999.70, 28,835,999.55 and 10,113,638.10 is: 15,170,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,999.70 : 28,835,999.55 = 10,113,638.10 : x
  2. Step 2: Convert to fraction form
    19,223,999.70/28,835,999.55 = 10,113,638.10/x
  3. Step 3: Cross multiply
    19,223,999.70x = 28,835,999.55 × 10,113,638.10
  4. Step 4: Simplify right side
    19,223,999.70x = 291,636,863,700,462.88
  5. Step 5: Solve for x
    x = 291,636,863,700,462.88/19,223,999.70
  6. Step 6: Final answer
    x = 15,170,457.15

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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.