Finding the Fourth Proportional to 19,280,551.19, 28,920,701.93 and 4,903,494.75
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Solution
The fourth proportional to 19,280,551.19, 28,920,701.93 and 4,903,494.75 is: 7,355,210.37
Step by Step Solution
- Step 1: Write the proportion equation
19,280,551.19 : 28,920,701.93 = 4,903,494.75 : x - Step 2: Convert to fraction form
19,280,551.19/28,920,701.93 = 4,903,494.75/x - Step 3: Cross multiply
19,280,551.19x = 28,920,701.93 × 4,903,494.75 - Step 4: Simplify right side
19,280,551.19x = 141,812,510,055,552.41 - Step 5: Solve for x
x = 141,812,510,055,552.41/19,280,551.19 - Step 6: Final answer
x = 7,355,210.37
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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.