Home / 28,608,111.40-42,912,167.10-7,042,541.80

Finding the Fourth Proportional to 28,608,111.40, 42,912,167.10 and 7,042,541.80

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Solution

The fourth proportional to 28,608,111.40, 42,912,167.10 and 7,042,541.80 is: 10,563,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,111.40 : 42,912,167.10 = 7,042,541.80 : x
  2. Step 2: Convert to fraction form
    28,608,111.40/42,912,167.10 = 7,042,541.80/x
  3. Step 3: Cross multiply
    28,608,111.40x = 42,912,167.10 × 7,042,541.80
  4. Step 4: Simplify right side
    28,608,111.40x = 302,210,730,530,334.81
  5. Step 5: Solve for x
    x = 302,210,730,530,334.81/28,608,111.40
  6. Step 6: Final answer
    x = 10,563,812.70

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1.5x scale

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.