Home / 15,590,544-21,515,089.93-8,621,693.10

Finding the Fourth Proportional to 15,590,544, 21,515,089.93 and 8,621,693.10

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Solution

The fourth proportional to 15,590,544, 21,515,089.93 and 8,621,693.10 is: 11,898,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590,544 : 21,515,089.93 = 8,621,693.10 : x
  2. Step 2: Convert to fraction form
    15,590,544/21,515,089.93 = 8,621,693.10/x
  3. Step 3: Cross multiply
    15,590,544x = 21,515,089.93 × 8,621,693.10
  4. Step 4: Simplify right side
    15,590,544x = 185,496,502,395,360.47
  5. Step 5: Solve for x
    x = 185,496,502,395,360.47/15,590,544
  6. Step 6: Final answer
    x = 11,898,013.46

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1.5x scale

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.