Home / 21,961,018.78-32,909,158.59-12,232,239.19

Finding the Fourth Proportional to 21,961,018.78, 32,909,158.59 and 12,232,239.19

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Solution

The fourth proportional to 21,961,018.78, 32,909,158.59 and 12,232,239.19 is: 18,330,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961,018.78 : 32,909,158.59 = 12,232,239.19 : x
  2. Step 2: Convert to fraction form
    21,961,018.78/32,909,158.59 = 12,232,239.19/x
  3. Step 3: Cross multiply
    21,961,018.78x = 32,909,158.59 × 12,232,239.19
  4. Step 4: Simplify right side
    21,961,018.78x = 402,552,699,249,977.38
  5. Step 5: Solve for x
    x = 402,552,699,249,977.38/21,961,018.78
  6. Step 6: Final answer
    x = 18,330,329.00

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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.