Home / 21,319,708.14-29,421,373.23-12,152,941.38

Finding the Fourth Proportional to 21,319,708.14, 29,421,373.23 and 12,152,941.38

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Solution

The fourth proportional to 21,319,708.14, 29,421,373.23 and 12,152,941.38 is: 16,771,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,708.14 : 29,421,373.23 = 12,152,941.38 : x
  2. Step 2: Convert to fraction form
    21,319,708.14/29,421,373.23 = 12,152,941.38/x
  3. Step 3: Cross multiply
    21,319,708.14x = 29,421,373.23 × 12,152,941.38
  4. Step 4: Simplify right side
    21,319,708.14x = 357,556,224,183,291.31
  5. Step 5: Solve for x
    x = 357,556,224,183,291.31/21,319,708.14
  6. Step 6: Final answer
    x = 16,771,159.43

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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.