Home / 12,742,038-17,583,515.16-7,788,772.08

Finding the Fourth Proportional to 12,742,038, 17,583,515.16 and 7,788,772.08

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Solution

The fourth proportional to 12,742,038, 17,583,515.16 and 7,788,772.08 is: 10,748,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,038 : 17,583,515.16 = 7,788,772.08 : x
  2. Step 2: Convert to fraction form
    12,742,038/17,583,515.16 = 7,788,772.08/x
  3. Step 3: Cross multiply
    12,742,038x = 17,583,515.16 × 7,788,772.08
  4. Step 4: Simplify right side
    12,742,038x = 136,953,991,946,464.73
  5. Step 5: Solve for x
    x = 136,953,991,946,464.73/12,742,038
  6. Step 6: Final answer
    x = 10,748,201.50

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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.