Home / 12,880,006.65-17,774,837.15-7,580,741.09

Finding the Fourth Proportional to 12,880,006.65, 17,774,837.15 and 7,580,741.09

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Solution

The fourth proportional to 12,880,006.65, 17,774,837.15 and 7,580,741.09 is: 10,461,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,006.65 : 17,774,837.15 = 7,580,741.09 : x
  2. Step 2: Convert to fraction form
    12,880,006.65/17,774,837.15 = 7,580,741.09/x
  3. Step 3: Cross multiply
    12,880,006.65x = 17,774,837.15 × 7,580,741.09
  4. Step 4: Simplify right side
    12,880,006.65x = 134,746,438,224,285.59
  5. Step 5: Solve for x
    x = 134,746,438,224,285.59/12,880,006.65
  6. Step 6: Final answer
    x = 10,461,674.58

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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.