Home / 18,402,478.56-25,395,087.06-10,029,920.76

Finding the Fourth Proportional to 18,402,478.56, 25,395,087.06 and 10,029,920.76

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Solution

The fourth proportional to 18,402,478.56, 25,395,087.06 and 10,029,920.76 is: 13,841,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,478.56 : 25,395,087.06 = 10,029,920.76 : x
  2. Step 2: Convert to fraction form
    18,402,478.56/25,395,087.06 = 10,029,920.76/x
  3. Step 3: Cross multiply
    18,402,478.56x = 25,395,087.06 × 10,029,920.76
  4. Step 4: Simplify right side
    18,402,478.56x = 254,710,710,905,101.34
  5. Step 5: Solve for x
    x = 254,710,710,905,101.34/18,402,478.56
  6. Step 6: Final answer
    x = 13,841,108.96

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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.