Home / 9,516,878.60-13,133,524.02-5,166,143.24

Finding the Fourth Proportional to 9,516,878.60, 13,133,524.02 and 5,166,143.24

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Solution

The fourth proportional to 9,516,878.60, 13,133,524.02 and 5,166,143.24 is: 7,129,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,878.60 : 13,133,524.02 = 5,166,143.24 : x
  2. Step 2: Convert to fraction form
    9,516,878.60/13,133,524.02 = 5,166,143.24/x
  3. Step 3: Cross multiply
    9,516,878.60x = 13,133,524.02 × 5,166,143.24
  4. Step 4: Simplify right side
    9,516,878.60x = 67,849,666,333,300.62
  5. Step 5: Solve for x
    x = 67,849,666,333,300.62/9,516,878.60
  6. Step 6: Final answer
    x = 7,129,403.37

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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.