Home / 10,688,661.60-16,031,437.20-3,114,837.60

Finding the Fourth Proportional to 10,688,661.60, 16,031,437.20 and 3,114,837.60

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Solution

The fourth proportional to 10,688,661.60, 16,031,437.20 and 3,114,837.60 is: 4,671,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,661.60 : 16,031,437.20 = 3,114,837.60 : x
  2. Step 2: Convert to fraction form
    10,688,661.60/16,031,437.20 = 3,114,837.60/x
  3. Step 3: Cross multiply
    10,688,661.60x = 16,031,437.20 × 3,114,837.60
  4. Step 4: Simplify right side
    10,688,661.60x = 49,935,323,372,598.72
  5. Step 5: Solve for x
    x = 49,935,323,372,598.72/10,688,661.60
  6. Step 6: Final answer
    x = 4,671,803.19

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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.