Home / 19,937,460.02-27,518,813.64-12,985,460.87

Finding the Fourth Proportional to 19,937,460.02, 27,518,813.64 and 12,985,460.87

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Solution

The fourth proportional to 19,937,460.02, 27,518,813.64 and 12,985,460.87 is: 17,923,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,460.02 : 27,518,813.64 = 12,985,460.87 : x
  2. Step 2: Convert to fraction form
    19,937,460.02/27,518,813.64 = 12,985,460.87/x
  3. Step 3: Cross multiply
    19,937,460.02x = 27,518,813.64 × 12,985,460.87
  4. Step 4: Simplify right side
    19,937,460.02x = 357,344,477,573,448.19
  5. Step 5: Solve for x
    x = 357,344,477,573,448.19/19,937,460.02
  6. Step 6: Final answer
    x = 17,923,269.93

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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.