Home / 10,902,047.60-16,353,071.40-8,351,130.80

Finding the Fourth Proportional to 10,902,047.60, 16,353,071.40 and 8,351,130.80

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Solution

The fourth proportional to 10,902,047.60, 16,353,071.40 and 8,351,130.80 is: 12,526,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,047.60 : 16,353,071.40 = 8,351,130.80 : x
  2. Step 2: Convert to fraction form
    10,902,047.60/16,353,071.40 = 8,351,130.80/x
  3. Step 3: Cross multiply
    10,902,047.60x = 16,353,071.40 × 8,351,130.80
  4. Step 4: Simplify right side
    10,902,047.60x = 136,566,638,243,139.12
  5. Step 5: Solve for x
    x = 136,566,638,243,139.12/10,902,047.60
  6. Step 6: Final answer
    x = 12,526,696.20

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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.