Home / 21,806,783.20-32,710,174.80-7,446,066.40

Finding the Fourth Proportional to 21,806,783.20, 32,710,174.80 and 7,446,066.40

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Solution

The fourth proportional to 21,806,783.20, 32,710,174.80 and 7,446,066.40 is: 11,169,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,783.20 : 32,710,174.80 = 7,446,066.40 : x
  2. Step 2: Convert to fraction form
    21,806,783.20/32,710,174.80 = 7,446,066.40/x
  3. Step 3: Cross multiply
    21,806,783.20x = 32,710,174.80 × 7,446,066.40
  4. Step 4: Simplify right side
    21,806,783.20x = 243,562,133,516,406.75
  5. Step 5: Solve for x
    x = 243,562,133,516,406.75/21,806,783.20
  6. Step 6: Final answer
    x = 11,169,099.60

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Similar ratio
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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.