Finding the Fourth Proportional to 19,069,203.60, 28,593,307.80 and 6,283,126.80
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Solution
The fourth proportional to 19,069,203.60, 28,593,307.80 and 6,283,126.80 is: 9,421,231.34
Step by Step Solution
- Step 1: Write the proportion equation
19,069,203.60 : 28,593,307.80 = 6,283,126.80 : x - Step 2: Convert to fraction form
19,069,203.60/28,593,307.80 = 6,283,126.80/x - Step 3: Cross multiply
19,069,203.60x = 28,593,307.80 × 6,283,126.80 - Step 4: Simplify right side
19,069,203.60x = 179,655,378,538,829.03 - Step 5: Solve for x
x = 179,655,378,538,829.03/19,069,203.60 - Step 6: Final answer
x = 9,421,231.34
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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.