Home / 13,698,567.10-20,547,850.65-6,980,103.10

Finding the Fourth Proportional to 13,698,567.10, 20,547,850.65 and 6,980,103.10

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Solution

The fourth proportional to 13,698,567.10, 20,547,850.65 and 6,980,103.10 is: 10,470,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,567.10 : 20,547,850.65 = 6,980,103.10 : x
  2. Step 2: Convert to fraction form
    13,698,567.10/20,547,850.65 = 6,980,103.10/x
  3. Step 3: Cross multiply
    13,698,567.10x = 20,547,850.65 × 6,980,103.10
  4. Step 4: Simplify right side
    13,698,567.10x = 143,426,116,020,402
  5. Step 5: Solve for x
    x = 143,426,116,020,402/13,698,567.10
  6. Step 6: Final answer
    x = 10,470,154.65

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Similar ratio
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1.5x scale

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.