Home / 21,456,534.80-32,184,802.20-5,282,357.60

Finding the Fourth Proportional to 21,456,534.80, 32,184,802.20 and 5,282,357.60

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Solution

The fourth proportional to 21,456,534.80, 32,184,802.20 and 5,282,357.60 is: 7,923,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,534.80 : 32,184,802.20 = 5,282,357.60 : x
  2. Step 2: Convert to fraction form
    21,456,534.80/32,184,802.20 = 5,282,357.60/x
  3. Step 3: Cross multiply
    21,456,534.80x = 32,184,802.20 × 5,282,357.60
  4. Step 4: Simplify right side
    21,456,534.80x = 170,011,634,505,666.72
  5. Step 5: Solve for x
    x = 170,011,634,505,666.72/21,456,534.80
  6. Step 6: Final answer
    x = 7,923,536.40

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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.