Home / 12,151,038.16-16,760,532.18-7,793,221.96

Finding the Fourth Proportional to 12,151,038.16, 16,760,532.18 and 7,793,221.96

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Solution

The fourth proportional to 12,151,038.16, 16,760,532.18 and 7,793,221.96 is: 10,749,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,038.16 : 16,760,532.18 = 7,793,221.96 : x
  2. Step 2: Convert to fraction form
    12,151,038.16/16,760,532.18 = 7,793,221.96/x
  3. Step 3: Cross multiply
    12,151,038.16x = 16,760,532.18 × 7,793,221.96
  4. Step 4: Simplify right side
    12,151,038.16x = 130,618,547,446,462.67
  5. Step 5: Solve for x
    x = 130,618,547,446,462.67/12,151,038.16
  6. Step 6: Final answer
    x = 10,749,579.23

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1.5x scale

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.