Home / 9,157,853.81-12,638,193.68-5,028,059.03

Finding the Fourth Proportional to 9,157,853.81, 12,638,193.68 and 5,028,059.03

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Solution

The fourth proportional to 9,157,853.81, 12,638,193.68 and 5,028,059.03 is: 6,938,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,853.81 : 12,638,193.68 = 5,028,059.03 : x
  2. Step 2: Convert to fraction form
    9,157,853.81/12,638,193.68 = 5,028,059.03/x
  3. Step 3: Cross multiply
    9,157,853.81x = 12,638,193.68 × 5,028,059.03
  4. Step 4: Simplify right side
    9,157,853.81x = 63,545,583,804,992.11
  5. Step 5: Solve for x
    x = 63,545,583,804,992.11/9,157,853.81
  6. Step 6: Final answer
    x = 6,938,916.60

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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.