Home / 27,816,878.55-38,389,590.50-15,430,965.35

Finding the Fourth Proportional to 27,816,878.55, 38,389,590.50 and 15,430,965.35

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Solution

The fourth proportional to 27,816,878.55, 38,389,590.50 and 15,430,965.35 is: 21,296,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816,878.55 : 38,389,590.50 = 15,430,965.35 : x
  2. Step 2: Convert to fraction form
    27,816,878.55/38,389,590.50 = 15,430,965.35/x
  3. Step 3: Cross multiply
    27,816,878.55x = 38,389,590.50 × 15,430,965.35
  4. Step 4: Simplify right side
    27,816,878.55x = 592,388,440,537,086.38
  5. Step 5: Solve for x
    x = 592,388,440,537,086.38/27,816,878.55
  6. Step 6: Final answer
    x = 21,296,007.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.