Home / 28,547,703.20-42,809,113.20-11,502,711.20

Finding the Fourth Proportional to 28,547,703.20, 42,809,113.20 and 11,502,711.20

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Solution

The fourth proportional to 28,547,703.20, 42,809,113.20 and 11,502,711.20 is: 17,249,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,703.20 : 42,809,113.20 = 11,502,711.20 : x
  2. Step 2: Convert to fraction form
    28,547,703.20/42,809,113.20 = 11,502,711.20/x
  3. Step 3: Cross multiply
    28,547,703.20x = 42,809,113.20 × 11,502,711.20
  4. Step 4: Simplify right side
    28,547,703.20x = 492,420,865,867,707.81
  5. Step 5: Solve for x
    x = 492,420,865,867,707.81/28,547,703.20
  6. Step 6: Final answer
    x = 17,249,053.71

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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.