Home / 14,128,756.20-21,164,758.20-6,441,827.10

Finding the Fourth Proportional to 14,128,756.20, 21,164,758.20 and 6,441,827.10

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Solution

The fourth proportional to 14,128,756.20, 21,164,758.20 and 6,441,827.10 is: 9,649,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,756.20 : 21,164,758.20 = 6,441,827.10 : x
  2. Step 2: Convert to fraction form
    14,128,756.20/21,164,758.20 = 6,441,827.10/x
  3. Step 3: Cross multiply
    14,128,756.20x = 21,164,758.20 × 6,441,827.10
  4. Step 4: Simplify right side
    14,128,756.20x = 136,339,712,937,707.20
  5. Step 5: Solve for x
    x = 136,339,712,937,707.20/14,128,756.20
  6. Step 6: Final answer
    x = 9,649,802.93

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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.