Home / 12,831,077.76-17,706,886.92-7,030,079.16

Finding the Fourth Proportional to 12,831,077.76, 17,706,886.92 and 7,030,079.16

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Solution

The fourth proportional to 12,831,077.76, 17,706,886.92 and 7,030,079.16 is: 9,701,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,077.76 : 17,706,886.92 = 7,030,079.16 : x
  2. Step 2: Convert to fraction form
    12,831,077.76/17,706,886.92 = 7,030,079.16/x
  3. Step 3: Cross multiply
    12,831,077.76x = 17,706,886.92 × 7,030,079.16
  4. Step 4: Simplify right side
    12,831,077.76x = 124,480,816,724,768.61
  5. Step 5: Solve for x
    x = 124,480,816,724,768.61/12,831,077.76
  6. Step 6: Final answer
    x = 9,701,509.03

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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.