Home / 12,742,037-17,583,513.78-7,788,771.08

Finding the Fourth Proportional to 12,742,037, 17,583,513.78 and 7,788,771.08

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Solution

The fourth proportional to 12,742,037, 17,583,513.78 and 7,788,771.08 is: 10,748,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,037 : 17,583,513.78 = 7,788,771.08 : x
  2. Step 2: Convert to fraction form
    12,742,037/17,583,513.78 = 7,788,771.08/x
  3. Step 3: Cross multiply
    12,742,037x = 17,583,513.78 × 7,788,771.08
  4. Step 4: Simplify right side
    12,742,037x = 136,953,963,614,445.50
  5. Step 5: Solve for x
    x = 136,953,963,614,445.50/12,742,037
  6. Step 6: Final answer
    x = 10,748,200.12

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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.