Home / 28,455,547.40-42,683,321.10-26,813,256.20

Finding the Fourth Proportional to 28,455,547.40, 42,683,321.10 and 26,813,256.20

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Solution

The fourth proportional to 28,455,547.40, 42,683,321.10 and 26,813,256.20 is: 40,219,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,547.40 : 42,683,321.10 = 26,813,256.20 : x
  2. Step 2: Convert to fraction form
    28,455,547.40/42,683,321.10 = 26,813,256.20/x
  3. Step 3: Cross multiply
    28,455,547.40x = 42,683,321.10 × 26,813,256.20
  4. Step 4: Simplify right side
    28,455,547.40x = 1,144,478,824,121,165.75
  5. Step 5: Solve for x
    x = 1,144,478,824,121,165.75/28,455,547.40
  6. Step 6: Final answer
    x = 40,219,884.30

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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.