Home / 21,232,688.90-31,843,784.48-9,100,776.60

Finding the Fourth Proportional to 21,232,688.90, 31,843,784.48 and 9,100,776.60

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Solution

The fourth proportional to 21,232,688.90, 31,843,784.48 and 9,100,776.60 is: 13,648,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,688.90 : 31,843,784.48 = 9,100,776.60 : x
  2. Step 2: Convert to fraction form
    21,232,688.90/31,843,784.48 = 9,100,776.60/x
  3. Step 3: Cross multiply
    21,232,688.90x = 31,843,784.48 × 9,100,776.60
  4. Step 4: Simplify right side
    21,232,688.90x = 289,803,168,605,523.31
  5. Step 5: Solve for x
    x = 289,803,168,605,523.31/21,232,688.90
  6. Step 6: Final answer
    x = 13,648,915.13

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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.