Finding the Fourth Proportional to 17,889,417.80, 26,834,126.70 and 4,426,245.80
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Solution
The fourth proportional to 17,889,417.80, 26,834,126.70 and 4,426,245.80 is: 6,639,368.70
Step by Step Solution
- Step 1: Write the proportion equation
17,889,417.80 : 26,834,126.70 = 4,426,245.80 : x - Step 2: Convert to fraction form
17,889,417.80/26,834,126.70 = 4,426,245.80/x - Step 3: Cross multiply
17,889,417.80x = 26,834,126.70 × 4,426,245.80 - Step 4: Simplify right side
17,889,417.80x = 118,774,440,602,542.86 - Step 5: Solve for x
x = 118,774,440,602,542.86/17,889,417.80 - Step 6: Final answer
x = 6,639,368.70
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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.