Home / 13,698,372.64-20,547,759.72-6,510,640

Finding the Fourth Proportional to 13,698,372.64, 20,547,759.72 and 6,510,640

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Solution

The fourth proportional to 13,698,372.64, 20,547,759.72 and 6,510,640 is: 9,766,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,372.64 : 20,547,759.72 = 6,510,640 : x
  2. Step 2: Convert to fraction form
    13,698,372.64/20,547,759.72 = 6,510,640/x
  3. Step 3: Cross multiply
    13,698,372.64x = 20,547,759.72 × 6,510,640
  4. Step 4: Simplify right side
    13,698,372.64x = 133,779,066,343,420.80
  5. Step 5: Solve for x
    x = 133,779,066,343,420.80/13,698,372.64
  6. Step 6: Final answer
    x = 9,766,055.42

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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.