Home / 20,554,897.34-30,829,945.97-8,258,362.89

Finding the Fourth Proportional to 20,554,897.34, 30,829,945.97 and 8,258,362.89

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Solution

The fourth proportional to 20,554,897.34, 30,829,945.97 and 8,258,362.89 is: 12,386,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,897.34 : 30,829,945.97 = 8,258,362.89 : x
  2. Step 2: Convert to fraction form
    20,554,897.34/30,829,945.97 = 8,258,362.89/x
  3. Step 3: Cross multiply
    20,554,897.34x = 30,829,945.97 × 8,258,362.89
  4. Step 4: Simplify right side
    20,554,897.34x = 254,604,881,658,061.22
  5. Step 5: Solve for x
    x = 254,604,881,658,061.22/20,554,897.34
  6. Step 6: Final answer
    x = 12,386,580.07

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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.