Home / 30,343,345.80-45,515,018.70-9,874,994.10

Finding the Fourth Proportional to 30,343,345.80, 45,515,018.70 and 9,874,994.10

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Solution

The fourth proportional to 30,343,345.80, 45,515,018.70 and 9,874,994.10 is: 14,812,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,345.80 : 45,515,018.70 = 9,874,994.10 : x
  2. Step 2: Convert to fraction form
    30,343,345.80/45,515,018.70 = 9,874,994.10/x
  3. Step 3: Cross multiply
    30,343,345.80x = 45,515,018.70 × 9,874,994.10
  4. Step 4: Simplify right side
    30,343,345.80x = 449,460,541,123,889.69
  5. Step 5: Solve for x
    x = 449,460,541,123,889.69/30,343,345.80
  6. Step 6: Final answer
    x = 14,812,491.15

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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.