Finding the Fourth Proportional to 42,989,038.66, 64,471,588.01 and 14,237,416.16
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Solution
The fourth proportional to 42,989,038.66, 64,471,588.01 and 14,237,416.16 is: 21,352,159.94
Step by Step Solution
- Step 1: Write the proportion equation
42,989,038.66 : 64,471,588.01 = 14,237,416.16 : x - Step 2: Convert to fraction form
42,989,038.66/64,471,588.01 = 14,237,416.16/x - Step 3: Cross multiply
42,989,038.66x = 64,471,588.01 × 14,237,416.16 - Step 4: Simplify right side
42,989,038.66x = 917,908,828,994,436.25 - Step 5: Solve for x
x = 917,908,828,994,436.25/42,989,038.66 - Step 6: Final answer
x = 21,352,159.94
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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.