Home / 21,355,055.72-32,038,043.78-6,208,987.22

Finding the Fourth Proportional to 21,355,055.72, 32,038,043.78 and 6,208,987.22

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Solution

The fourth proportional to 21,355,055.72, 32,038,043.78 and 6,208,987.22 is: 9,315,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,055.72 : 32,038,043.78 = 6,208,987.22 : x
  2. Step 2: Convert to fraction form
    21,355,055.72/32,038,043.78 = 6,208,987.22/x
  3. Step 3: Cross multiply
    21,355,055.72x = 32,038,043.78 × 6,208,987.22
  4. Step 4: Simplify right side
    21,355,055.72x = 198,923,804,239,152.72
  5. Step 5: Solve for x
    x = 198,923,804,239,152.72/21,355,055.72
  6. Step 6: Final answer
    x = 9,315,068.38

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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.