Home / 20,547,328.32-28,355,242.32-11,845,459.44

Finding the Fourth Proportional to 20,547,328.32, 28,355,242.32 and 11,845,459.44

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Solution

The fourth proportional to 20,547,328.32, 28,355,242.32 and 11,845,459.44 is: 16,346,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,328.32 : 28,355,242.32 = 11,845,459.44 : x
  2. Step 2: Convert to fraction form
    20,547,328.32/28,355,242.32 = 11,845,459.44/x
  3. Step 3: Cross multiply
    20,547,328.32x = 28,355,242.32 × 11,845,459.44
  4. Step 4: Simplify right side
    20,547,328.32x = 335,880,872,812,931.50
  5. Step 5: Solve for x
    x = 335,880,872,812,931.50/20,547,328.32
  6. Step 6: Final answer
    x = 16,346,693.23

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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.