Home / 13,698,580.60-20,547,870.90-6,980,116.60

Finding the Fourth Proportional to 13,698,580.60, 20,547,870.90 and 6,980,116.60

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Solution

The fourth proportional to 13,698,580.60, 20,547,870.90 and 6,980,116.60 is: 10,470,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,580.60 : 20,547,870.90 = 6,980,116.60 : x
  2. Step 2: Convert to fraction form
    13,698,580.60/20,547,870.90 = 6,980,116.60/x
  3. Step 3: Cross multiply
    13,698,580.60x = 20,547,870.90 × 6,980,116.60
  4. Step 4: Simplify right side
    13,698,580.60x = 143,426,534,763,746.94
  5. Step 5: Solve for x
    x = 143,426,534,763,746.94/13,698,580.60
  6. Step 6: Final answer
    x = 10,470,174.90

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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.