Home / 21,185,655.30-31,778,482.95-16,402,686.30

Finding the Fourth Proportional to 21,185,655.30, 31,778,482.95 and 16,402,686.30

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Solution

The fourth proportional to 21,185,655.30, 31,778,482.95 and 16,402,686.30 is: 24,604,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185,655.30 : 31,778,482.95 = 16,402,686.30 : x
  2. Step 2: Convert to fraction form
    21,185,655.30/31,778,482.95 = 16,402,686.30/x
  3. Step 3: Cross multiply
    21,185,655.30x = 31,778,482.95 × 16,402,686.30
  4. Step 4: Simplify right side
    21,185,655.30x = 521,252,486,918,748.62
  5. Step 5: Solve for x
    x = 521,252,486,918,748.62/21,185,655.30
  6. Step 6: Final answer
    x = 24,604,029.45

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Double scale
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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.