Home / 19,683,547.20-29,525,320.80-11,588,212.80

Finding the Fourth Proportional to 19,683,547.20, 29,525,320.80 and 11,588,212.80

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Solution

The fourth proportional to 19,683,547.20, 29,525,320.80 and 11,588,212.80 is: 17,382,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,547.20 : 29,525,320.80 = 11,588,212.80 : x
  2. Step 2: Convert to fraction form
    19,683,547.20/29,525,320.80 = 11,588,212.80/x
  3. Step 3: Cross multiply
    19,683,547.20x = 29,525,320.80 × 11,588,212.80
  4. Step 4: Simplify right side
    19,683,547.20x = 342,145,700,418,666.25
  5. Step 5: Solve for x
    x = 342,145,700,418,666.25/19,683,547.20
  6. Step 6: Final answer
    x = 17,382,319.20

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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.