Home / 7,890,683.55-10,896,663.56-7,460,800.16

Finding the Fourth Proportional to 7,890,683.55, 10,896,663.56 and 7,460,800.16

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Solution

The fourth proportional to 7,890,683.55, 10,896,663.56 and 7,460,800.16 is: 10,303,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,683.55 : 10,896,663.56 = 7,460,800.16 : x
  2. Step 2: Convert to fraction form
    7,890,683.55/10,896,663.56 = 7,460,800.16/x
  3. Step 3: Cross multiply
    7,890,683.55x = 10,896,663.56 × 7,460,800.16
  4. Step 4: Simplify right side
    7,890,683.55x = 81,297,829,277,807.83
  5. Step 5: Solve for x
    x = 81,297,829,277,807.83/7,890,683.55
  6. Step 6: Final answer
    x = 10,303,014.78

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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.