Home / 28,990,926.75-40,006,459.53-15,938,090.63

Finding the Fourth Proportional to 28,990,926.75, 40,006,459.53 and 15,938,090.63

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Solution

The fourth proportional to 28,990,926.75, 40,006,459.53 and 15,938,090.63 is: 21,994,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,926.75 : 40,006,459.53 = 15,938,090.63 : x
  2. Step 2: Convert to fraction form
    28,990,926.75/40,006,459.53 = 15,938,090.63/x
  3. Step 3: Cross multiply
    28,990,926.75x = 40,006,459.53 × 15,938,090.63
  4. Step 4: Simplify right side
    28,990,926.75x = 637,626,577,574,534.88
  5. Step 5: Solve for x
    x = 637,626,577,574,534.88/28,990,926.75
  6. Step 6: Final answer
    x = 21,994,004.64

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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.