Home / 30,928,547.18-46,392,214.05-12,484,001.54

Finding the Fourth Proportional to 30,928,547.18, 46,392,214.05 and 12,484,001.54

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Solution

The fourth proportional to 30,928,547.18, 46,392,214.05 and 12,484,001.54 is: 18,725,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928,547.18 : 46,392,214.05 = 12,484,001.54 : x
  2. Step 2: Convert to fraction form
    30,928,547.18/46,392,214.05 = 12,484,001.54/x
  3. Step 3: Cross multiply
    30,928,547.18x = 46,392,214.05 × 12,484,001.54
  4. Step 4: Simplify right side
    30,928,547.18x = 579,160,471,760,190.12
  5. Step 5: Solve for x
    x = 579,160,471,760,190.12/30,928,547.18
  6. Step 6: Final answer
    x = 18,725,757.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.