Home / 11,518,547.90-15,895,501.59-6,291,559.38

Finding the Fourth Proportional to 11,518,547.90, 15,895,501.59 and 6,291,559.38

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Solution

The fourth proportional to 11,518,547.90, 15,895,501.59 and 6,291,559.38 is: 8,682,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,547.90 : 15,895,501.59 = 6,291,559.38 : x
  2. Step 2: Convert to fraction form
    11,518,547.90/15,895,501.59 = 6,291,559.38/x
  3. Step 3: Cross multiply
    11,518,547.90x = 15,895,501.59 × 6,291,559.38
  4. Step 4: Simplify right side
    11,518,547.90x = 100,007,492,128,369.41
  5. Step 5: Solve for x
    x = 100,007,492,128,369.41/11,518,547.90
  6. Step 6: Final answer
    x = 8,682,300.32

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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.