Home / 21,384,140.40-32,064,400.80-8,590,190.40

Finding the Fourth Proportional to 21,384,140.40, 32,064,400.80 and 8,590,190.40

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Solution

The fourth proportional to 21,384,140.40, 32,064,400.80 and 8,590,190.40 is: 12,880,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,140.40 : 32,064,400.80 = 8,590,190.40 : x
  2. Step 2: Convert to fraction form
    21,384,140.40/32,064,400.80 = 8,590,190.40/x
  3. Step 3: Cross multiply
    21,384,140.40x = 32,064,400.80 × 8,590,190.40
  4. Step 4: Simplify right side
    21,384,140.40x = 275,439,307,933,912.34
  5. Step 5: Solve for x
    x = 275,439,307,933,912.34/21,384,140.40
  6. Step 6: Final answer
    x = 12,880,541.50

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1.5x scale

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.