Finding the Fourth Proportional to 11,470,659.53, 15,829,927.80 and 6,243,415.02
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Solution
The fourth proportional to 11,470,659.53, 15,829,927.80 and 6,243,415.02 is: 8,616,140.05
Step by Step Solution
- Step 1: Write the proportion equation
11,470,659.53 : 15,829,927.80 = 6,243,415.02 : x - Step 2: Convert to fraction form
11,470,659.53/15,829,927.80 = 6,243,415.02/x - Step 3: Cross multiply
11,470,659.53x = 15,829,927.80 × 6,243,415.02 - Step 4: Simplify right side
11,470,659.53x = 98,832,808,968,622.75 - Step 5: Solve for x
x = 98,832,808,968,622.75/11,470,659.53 - Step 6: Final answer
x = 8,616,140.05
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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.