Home / 10,411,931.80-15,617,897.70-10,199,355.40

Finding the Fourth Proportional to 10,411,931.80, 15,617,897.70 and 10,199,355.40

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Solution

The fourth proportional to 10,411,931.80, 15,617,897.70 and 10,199,355.40 is: 15,299,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,931.80 : 15,617,897.70 = 10,199,355.40 : x
  2. Step 2: Convert to fraction form
    10,411,931.80/15,617,897.70 = 10,199,355.40/x
  3. Step 3: Cross multiply
    10,411,931.80x = 15,617,897.70 × 10,199,355.40
  4. Step 4: Simplify right side
    10,411,931.80x = 159,292,489,243,142.59
  5. Step 5: Solve for x
    x = 159,292,489,243,142.59/10,411,931.80
  6. Step 6: Final answer
    x = 15,299,033.10

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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.