Home / 12,857,656.36-19,289,430.10-5,572,338.98

Finding the Fourth Proportional to 12,857,656.36, 19,289,430.10 and 5,572,338.98

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Solution

The fourth proportional to 12,857,656.36, 19,289,430.10 and 5,572,338.98 is: 8,359,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,656.36 : 19,289,430.10 = 5,572,338.98 : x
  2. Step 2: Convert to fraction form
    12,857,656.36/19,289,430.10 = 5,572,338.98/x
  3. Step 3: Cross multiply
    12,857,656.36x = 19,289,430.10 × 5,572,338.98
  4. Step 4: Simplify right side
    12,857,656.36x = 107,487,243,248,215.31
  5. Step 5: Solve for x
    x = 107,487,243,248,215.31/12,857,656.36
  6. Step 6: Final answer
    x = 8,359,785.04

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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.