Home / 8,528,683.40-12,776,436.30-5,152,862.60

Finding the Fourth Proportional to 8,528,683.40, 12,776,436.30 and 5,152,862.60

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Solution

The fourth proportional to 8,528,683.40, 12,776,436.30 and 5,152,862.60 is: 7,719,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528,683.40 : 12,776,436.30 = 5,152,862.60 : x
  2. Step 2: Convert to fraction form
    8,528,683.40/12,776,436.30 = 5,152,862.60/x
  3. Step 3: Cross multiply
    8,528,683.40x = 12,776,436.30 × 5,152,862.60
  4. Step 4: Simplify right side
    8,528,683.40x = 65,835,220,771,552.38
  5. Step 5: Solve for x
    x = 65,835,220,771,552.38/8,528,683.40
  6. Step 6: Final answer
    x = 7,719,271.27

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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.