Home / 19,937,459.58-27,518,813.04-12,985,460.43

Finding the Fourth Proportional to 19,937,459.58, 27,518,813.04 and 12,985,460.43

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Solution

The fourth proportional to 19,937,459.58, 27,518,813.04 and 12,985,460.43 is: 17,923,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,459.58 : 27,518,813.04 = 12,985,460.43 : x
  2. Step 2: Convert to fraction form
    19,937,459.58/27,518,813.04 = 12,985,460.43/x
  3. Step 3: Cross multiply
    19,937,459.58x = 27,518,813.04 × 12,985,460.43
  4. Step 4: Simplify right side
    19,937,459.58x = 357,344,457,811,488
  5. Step 5: Solve for x
    x = 357,344,457,811,488/19,937,459.58
  6. Step 6: Final answer
    x = 17,923,269.33

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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.