Home / 19,937,456.08-27,518,808.21-12,985,456.93

Finding the Fourth Proportional to 19,937,456.08, 27,518,808.21 and 12,985,456.93

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Solution

The fourth proportional to 19,937,456.08, 27,518,808.21 and 12,985,456.93 is: 17,923,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,456.08 : 27,518,808.21 = 12,985,456.93 : x
  2. Step 2: Convert to fraction form
    19,937,456.08/27,518,808.21 = 12,985,456.93/x
  3. Step 3: Cross multiply
    19,937,456.08x = 27,518,808.21 × 12,985,456.93
  4. Step 4: Simplify right side
    19,937,456.08x = 357,344,298,658,392.94
  5. Step 5: Solve for x
    x = 357,344,298,658,392.94/19,937,456.08
  6. Step 6: Final answer
    x = 17,923,264.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.