Home / 28,973,051.20-43,459,576.80-28,547,898.40

Finding the Fourth Proportional to 28,973,051.20, 43,459,576.80 and 28,547,898.40

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Solution

The fourth proportional to 28,973,051.20, 43,459,576.80 and 28,547,898.40 is: 42,821,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,051.20 : 43,459,576.80 = 28,547,898.40 : x
  2. Step 2: Convert to fraction form
    28,973,051.20/43,459,576.80 = 28,547,898.40/x
  3. Step 3: Cross multiply
    28,973,051.20x = 43,459,576.80 × 28,547,898.40
  4. Step 4: Simplify right side
    28,973,051.20x = 1,240,679,582,993,397
  5. Step 5: Solve for x
    x = 1,240,679,582,993,397/28,973,051.20
  6. Step 6: Final answer
    x = 42,821,847.60

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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.