Home / 39,857,547.40-59,786,321.10-12,931,203.40

Finding the Fourth Proportional to 39,857,547.40, 59,786,321.10 and 12,931,203.40

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Solution

The fourth proportional to 39,857,547.40, 59,786,321.10 and 12,931,203.40 is: 19,396,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857,547.40 : 59,786,321.10 = 12,931,203.40 : x
  2. Step 2: Convert to fraction form
    39,857,547.40/59,786,321.10 = 12,931,203.40/x
  3. Step 3: Cross multiply
    39,857,547.40x = 59,786,321.10 × 12,931,203.40
  4. Step 4: Simplify right side
    39,857,547.40x = 773,109,078,681,811.75
  5. Step 5: Solve for x
    x = 773,109,078,681,811.75/39,857,547.40
  6. Step 6: Final answer
    x = 19,396,805.10

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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.