Home / 30,430,016.92-41,997,930.40-19,267,547.44

Finding the Fourth Proportional to 30,430,016.92, 41,997,930.40 and 19,267,547.44

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Solution

The fourth proportional to 30,430,016.92, 41,997,930.40 and 19,267,547.44 is: 26,592,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,016.92 : 41,997,930.40 = 19,267,547.44 : x
  2. Step 2: Convert to fraction form
    30,430,016.92/41,997,930.40 = 19,267,547.44/x
  3. Step 3: Cross multiply
    30,430,016.92x = 41,997,930.40 × 19,267,547.44
  4. Step 4: Simplify right side
    30,430,016.92x = 809,197,116,363,818.25
  5. Step 5: Solve for x
    x = 809,197,116,363,818.25/30,430,016.92
  6. Step 6: Final answer
    x = 26,592,069.22

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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.