Finding the Fourth Proportional to 19,232,811.48, 28,803,420.23 and 11,128,708.02
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Solution
The fourth proportional to 19,232,811.48, 28,803,420.23 and 11,128,708.02 is: 16,666,562.45
Step by Step Solution
- Step 1: Write the proportion equation
19,232,811.48 : 28,803,420.23 = 11,128,708.02 : x - Step 2: Convert to fraction form
19,232,811.48/28,803,420.23 = 11,128,708.02/x - Step 3: Cross multiply
19,232,811.48x = 28,803,420.23 × 11,128,708.02 - Step 4: Simplify right side
19,232,811.48x = 320,544,853,661,387.69 - Step 5: Solve for x
x = 320,544,853,661,387.69/19,232,811.48 - Step 6: Final answer
x = 16,666,562.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.