Home / 9,030,031.68-12,457,896.60-5,160,477

Finding the Fourth Proportional to 9,030,031.68, 12,457,896.60 and 5,160,477

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Solution

The fourth proportional to 9,030,031.68, 12,457,896.60 and 5,160,477 is: 7,119,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030,031.68 : 12,457,896.60 = 5,160,477 : x
  2. Step 2: Convert to fraction form
    9,030,031.68/12,457,896.60 = 5,160,477/x
  3. Step 3: Cross multiply
    9,030,031.68x = 12,457,896.60 × 5,160,477
  4. Step 4: Simplify right side
    9,030,031.68x = 64,288,688,872,678.20
  5. Step 5: Solve for x
    x = 64,288,688,872,678.20/9,030,031.68
  6. Step 6: Final answer
    x = 7,119,431.15

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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.