Home / 27,816,897.03-38,389,675.80-15,430,981.20

Finding the Fourth Proportional to 27,816,897.03, 38,389,675.80 and 15,430,981.20

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Solution

The fourth proportional to 27,816,897.03, 38,389,675.80 and 15,430,981.20 is: 21,296,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816,897.03 : 38,389,675.80 = 15,430,981.20 : x
  2. Step 2: Convert to fraction form
    27,816,897.03/38,389,675.80 = 15,430,981.20/x
  3. Step 3: Cross multiply
    27,816,897.03x = 38,389,675.80 × 15,430,981.20
  4. Step 4: Simplify right side
    27,816,897.03x = 592,390,365,543,894.88
  5. Step 5: Solve for x
    x = 592,390,365,543,894.88/27,816,897.03
  6. Step 6: Final answer
    x = 21,296,062.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.