Home / 21,339,492.40-29,448,497.32-11,549,934.87

Finding the Fourth Proportional to 21,339,492.40, 29,448,497.32 and 11,549,934.87

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Solution

The fourth proportional to 21,339,492.40, 29,448,497.32 and 11,549,934.87 is: 15,938,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,492.40 : 29,448,497.32 = 11,549,934.87 : x
  2. Step 2: Convert to fraction form
    21,339,492.40/29,448,497.32 = 11,549,934.87/x
  3. Step 3: Cross multiply
    21,339,492.40x = 29,448,497.32 × 11,549,934.87
  4. Step 4: Simplify right side
    21,339,492.40x = 340,128,226,065,369.50
  5. Step 5: Solve for x
    x = 340,128,226,065,369.50/21,339,492.40
  6. Step 6: Final answer
    x = 15,938,908.93

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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.