Home / 12,136,303.89-16,748,608.32-6,979,669.47

Finding the Fourth Proportional to 12,136,303.89, 16,748,608.32 and 6,979,669.47

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Solution

The fourth proportional to 12,136,303.89, 16,748,608.32 and 6,979,669.47 is: 9,632,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,303.89 : 16,748,608.32 = 6,979,669.47 : x
  2. Step 2: Convert to fraction form
    12,136,303.89/16,748,608.32 = 6,979,669.47/x
  3. Step 3: Cross multiply
    12,136,303.89x = 16,748,608.32 × 6,979,669.47
  4. Step 4: Simplify right side
    12,136,303.89x = 116,899,750,156,091.98
  5. Step 5: Solve for x
    x = 116,899,750,156,091.98/12,136,303.89
  6. Step 6: Final answer
    x = 9,632,236.57

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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.