Home / 28,763,507-39,693,403.59-15,710,774.06

Finding the Fourth Proportional to 28,763,507, 39,693,403.59 and 15,710,774.06

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Solution

The fourth proportional to 28,763,507, 39,693,403.59 and 15,710,774.06 is: 21,680,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,507 : 39,693,403.59 = 15,710,774.06 : x
  2. Step 2: Convert to fraction form
    28,763,507/39,693,403.59 = 15,710,774.06/x
  3. Step 3: Cross multiply
    28,763,507x = 39,693,403.59 × 15,710,774.06
  4. Step 4: Simplify right side
    28,763,507x = 623,614,095,474,883
  5. Step 5: Solve for x
    x = 623,614,095,474,883/28,763,507
  6. Step 6: Final answer
    x = 21,680,739.26

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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.