Home / 28,393,627.40-42,590,441.10-9,225,009.80

Finding the Fourth Proportional to 28,393,627.40, 42,590,441.10 and 9,225,009.80

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Solution

The fourth proportional to 28,393,627.40, 42,590,441.10 and 9,225,009.80 is: 13,837,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,627.40 : 42,590,441.10 = 9,225,009.80 : x
  2. Step 2: Convert to fraction form
    28,393,627.40/42,590,441.10 = 9,225,009.80/x
  3. Step 3: Cross multiply
    28,393,627.40x = 42,590,441.10 × 9,225,009.80
  4. Step 4: Simplify right side
    28,393,627.40x = 392,897,236,533,822.81
  5. Step 5: Solve for x
    x = 392,897,236,533,822.81/28,393,627.40
  6. Step 6: Final answer
    x = 13,837,514.70

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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.