Home / 12,997,637.90-17,937,300.74-7,196,419.48

Finding the Fourth Proportional to 12,997,637.90, 17,937,300.74 and 7,196,419.48

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Solution

The fourth proportional to 12,997,637.90, 17,937,300.74 and 7,196,419.48 is: 9,931,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,637.90 : 17,937,300.74 = 7,196,419.48 : x
  2. Step 2: Convert to fraction form
    12,997,637.90/17,937,300.74 = 7,196,419.48/x
  3. Step 3: Cross multiply
    12,997,637.90x = 17,937,300.74 × 7,196,419.48
  4. Step 4: Simplify right side
    12,997,637.90x = 129,084,340,463,954.41
  5. Step 5: Solve for x
    x = 129,084,340,463,954.41/12,997,637.90
  6. Step 6: Final answer
    x = 9,931,369.18

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1.5x scale

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.