Home / 12,092,853.40-16,688,137.66-6,660,345.40

Finding the Fourth Proportional to 12,092,853.40, 16,688,137.66 and 6,660,345.40

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Solution

The fourth proportional to 12,092,853.40, 16,688,137.66 and 6,660,345.40 is: 9,191,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,853.40 : 16,688,137.66 = 6,660,345.40 : x
  2. Step 2: Convert to fraction form
    12,092,853.40/16,688,137.66 = 6,660,345.40/x
  3. Step 3: Cross multiply
    12,092,853.40x = 16,688,137.66 × 6,660,345.40
  4. Step 4: Simplify right side
    12,092,853.40x = 111,148,760,898,347.77
  5. Step 5: Solve for x
    x = 111,148,760,898,347.77/12,092,853.40
  6. Step 6: Final answer
    x = 9,191,276.63

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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.