Home / 21,993,005.60-32,997,802.80-10,643,501.60

Finding the Fourth Proportional to 21,993,005.60, 32,997,802.80 and 10,643,501.60

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Solution

The fourth proportional to 21,993,005.60, 32,997,802.80 and 10,643,501.60 is: 15,969,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,005.60 : 32,997,802.80 = 10,643,501.60 : x
  2. Step 2: Convert to fraction form
    21,993,005.60/32,997,802.80 = 10,643,501.60/x
  3. Step 3: Cross multiply
    21,993,005.60x = 32,997,802.80 × 10,643,501.60
  4. Step 4: Simplify right side
    21,993,005.60x = 351,212,166,898,284.50
  5. Step 5: Solve for x
    x = 351,212,166,898,284.50/21,993,005.60
  6. Step 6: Final answer
    x = 15,969,266.47

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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.