Home / 21,872,783.70-32,746,189.95-21,242,927.70

Finding the Fourth Proportional to 21,872,783.70, 32,746,189.95 and 21,242,927.70

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Solution

The fourth proportional to 21,872,783.70, 32,746,189.95 and 21,242,927.70 is: 31,803,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,783.70 : 32,746,189.95 = 21,242,927.70 : x
  2. Step 2: Convert to fraction form
    21,872,783.70/32,746,189.95 = 21,242,927.70/x
  3. Step 3: Cross multiply
    21,872,783.70x = 32,746,189.95 × 21,242,927.70
  4. Step 4: Simplify right side
    21,872,783.70x = 695,624,945,558,316.62
  5. Step 5: Solve for x
    x = 695,624,945,558,316.62/21,872,783.70
  6. Step 6: Final answer
    x = 31,803,219.70

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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.