Home / 13,147,297.40-19,720,946.10-10,935,457.40

Finding the Fourth Proportional to 13,147,297.40, 19,720,946.10 and 10,935,457.40

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Solution

The fourth proportional to 13,147,297.40, 19,720,946.10 and 10,935,457.40 is: 16,403,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,297.40 : 19,720,946.10 = 10,935,457.40 : x
  2. Step 2: Convert to fraction form
    13,147,297.40/19,720,946.10 = 10,935,457.40/x
  3. Step 3: Cross multiply
    13,147,297.40x = 19,720,946.10 × 10,935,457.40
  4. Step 4: Simplify right side
    13,147,297.40x = 215,657,565,964,246.16
  5. Step 5: Solve for x
    x = 215,657,565,964,246.16/13,147,297.40
  6. Step 6: Final answer
    x = 16,403,186.10

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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.