Home / 21,637,649.84-32,404,952.45-12,520,533.45

Finding the Fourth Proportional to 21,637,649.84, 32,404,952.45 and 12,520,533.45

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Solution

The fourth proportional to 21,637,649.84, 32,404,952.45 and 12,520,533.45 is: 18,750,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,649.84 : 32,404,952.45 = 12,520,533.45 : x
  2. Step 2: Convert to fraction form
    21,637,649.84/32,404,952.45 = 12,520,533.45/x
  3. Step 3: Cross multiply
    21,637,649.84x = 32,404,952.45 × 12,520,533.45
  4. Step 4: Simplify right side
    21,637,649.84x = 405,727,291,033,281.75
  5. Step 5: Solve for x
    x = 405,727,291,033,281.75/21,637,649.84
  6. Step 6: Final answer
    x = 18,750,987.01

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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.