Home / 16,878,151.51-23,291,828.04-9,143,225.80

Finding the Fourth Proportional to 16,878,151.51, 23,291,828.04 and 9,143,225.80

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Solution

The fourth proportional to 16,878,151.51, 23,291,828.04 and 9,143,225.80 is: 12,617,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878,151.51 : 23,291,828.04 = 9,143,225.80 : x
  2. Step 2: Convert to fraction form
    16,878,151.51/23,291,828.04 = 9,143,225.80/x
  3. Step 3: Cross multiply
    16,878,151.51x = 23,291,828.04 × 9,143,225.80
  4. Step 4: Simplify right side
    16,878,151.51x = 212,962,443,064,491.44
  5. Step 5: Solve for x
    x = 212,962,443,064,491.44/16,878,151.51
  6. Step 6: Final answer
    x = 12,617,640.20

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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.