Home / 23,299,628.80-32,153,637-12,987,005.80

Finding the Fourth Proportional to 23,299,628.80, 32,153,637 and 12,987,005.80

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Solution

The fourth proportional to 23,299,628.80, 32,153,637 and 12,987,005.80 is: 17,922,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299,628.80 : 32,153,637 = 12,987,005.80 : x
  2. Step 2: Convert to fraction form
    23,299,628.80/32,153,637 = 12,987,005.80/x
  3. Step 3: Cross multiply
    23,299,628.80x = 32,153,637 × 12,987,005.80
  4. Step 4: Simplify right side
    23,299,628.80x = 417,579,470,210,094.62
  5. Step 5: Solve for x
    x = 417,579,470,210,094.62/23,299,628.80
  6. Step 6: Final answer
    x = 17,922,151.20

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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.