Finding the Fourth Proportional to 42,774,814.20, 64,177,967.70 and 14,021,887.80
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Solution
The fourth proportional to 42,774,814.20, 64,177,967.70 and 14,021,887.80 is: 21,037,993.48
Step by Step Solution
- Step 1: Write the proportion equation
42,774,814.20 : 64,177,967.70 = 14,021,887.80 : x - Step 2: Convert to fraction form
42,774,814.20/64,177,967.70 = 14,021,887.80/x - Step 3: Cross multiply
42,774,814.20x = 64,177,967.70 × 14,021,887.80 - Step 4: Simplify right side
42,774,814.20x = 899,896,262,321,424.12 - Step 5: Solve for x
x = 899,896,262,321,424.12/42,774,814.20 - Step 6: Final answer
x = 21,037,993.48
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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.