Home / 28,842,748.64-39,829,973.30-18,547,359.20

Finding the Fourth Proportional to 28,842,748.64, 39,829,973.30 and 18,547,359.20

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Solution

The fourth proportional to 28,842,748.64, 39,829,973.30 and 18,547,359.20 is: 25,612,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842,748.64 : 39,829,973.30 = 18,547,359.20 : x
  2. Step 2: Convert to fraction form
    28,842,748.64/39,829,973.30 = 18,547,359.20/x
  3. Step 3: Cross multiply
    28,842,748.64x = 39,829,973.30 × 18,547,359.20
  4. Step 4: Simplify right side
    28,842,748.64x = 738,740,821,429,622.75
  5. Step 5: Solve for x
    x = 738,740,821,429,622.75/28,842,748.64
  6. Step 6: Final answer
    x = 25,612,705.32

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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.