Home / 13,698,566.10-20,547,849.15-6,980,102.10

Finding the Fourth Proportional to 13,698,566.10, 20,547,849.15 and 6,980,102.10

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Solution

The fourth proportional to 13,698,566.10, 20,547,849.15 and 6,980,102.10 is: 10,470,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,566.10 : 20,547,849.15 = 6,980,102.10 : x
  2. Step 2: Convert to fraction form
    13,698,566.10/20,547,849.15 = 6,980,102.10/x
  3. Step 3: Cross multiply
    13,698,566.10x = 20,547,849.15 × 6,980,102.10
  4. Step 4: Simplify right side
    13,698,566.10x = 143,426,085,002,398.19
  5. Step 5: Solve for x
    x = 143,426,085,002,398.19/13,698,566.10
  6. Step 6: Final answer
    x = 10,470,153.15

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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.